1 | /* |
1 | /* |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007-2019 Marc Alexander Lehmann <libev@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * |
9 | * |
… | |
… | |
43 | # include EV_CONFIG_H |
43 | # include EV_CONFIG_H |
44 | # else |
44 | # else |
45 | # include "config.h" |
45 | # include "config.h" |
46 | # endif |
46 | # endif |
47 | |
47 | |
48 | #if HAVE_FLOOR |
48 | # if HAVE_FLOOR |
49 | # ifndef EV_USE_FLOOR |
49 | # ifndef EV_USE_FLOOR |
50 | # define EV_USE_FLOOR 1 |
50 | # define EV_USE_FLOOR 1 |
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|
51 | # endif |
51 | # endif |
52 | # endif |
52 | #endif |
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|
53 | |
53 | |
54 | # if HAVE_CLOCK_SYSCALL |
54 | # if HAVE_CLOCK_SYSCALL |
55 | # ifndef EV_USE_CLOCK_SYSCALL |
55 | # ifndef EV_USE_CLOCK_SYSCALL |
56 | # define EV_USE_CLOCK_SYSCALL 1 |
56 | # define EV_USE_CLOCK_SYSCALL 1 |
57 | # ifndef EV_USE_REALTIME |
57 | # ifndef EV_USE_REALTIME |
… | |
… | |
113 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
113 | # define EV_USE_EPOLL EV_FEATURE_BACKENDS |
114 | # endif |
114 | # endif |
115 | # else |
115 | # else |
116 | # undef EV_USE_EPOLL |
116 | # undef EV_USE_EPOLL |
117 | # define EV_USE_EPOLL 0 |
117 | # define EV_USE_EPOLL 0 |
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|
118 | # endif |
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119 | |
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|
120 | # if HAVE_LINUX_AIO_ABI_H |
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|
121 | # ifndef EV_USE_LINUXAIO |
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122 | # define EV_USE_LINUXAIO EV_FEATURE_BACKENDS |
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123 | # endif |
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|
124 | # else |
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|
125 | # undef EV_USE_LINUXAIO |
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126 | # define EV_USE_LINUXAIO 0 |
118 | # endif |
127 | # endif |
119 | |
128 | |
120 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
129 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H |
121 | # ifndef EV_USE_KQUEUE |
130 | # ifndef EV_USE_KQUEUE |
122 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
131 | # define EV_USE_KQUEUE EV_FEATURE_BACKENDS |
… | |
… | |
162 | # define EV_USE_EVENTFD 0 |
171 | # define EV_USE_EVENTFD 0 |
163 | # endif |
172 | # endif |
164 | |
173 | |
165 | #endif |
174 | #endif |
166 | |
175 | |
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|
176 | /* OS X, in its infinite idiocy, actually HARDCODES |
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|
177 | * a limit of 1024 into their select. Where people have brains, |
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178 | * OS X engineers apparently have a vacuum. Or maybe they were |
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179 | * ordered to have a vacuum, or they do anything for money. |
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180 | * This might help. Or not. |
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181 | * Note that this must be defined early, as other include files |
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182 | * will rely on this define as well. |
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183 | */ |
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184 | #define _DARWIN_UNLIMITED_SELECT 1 |
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|
185 | |
167 | #include <stdlib.h> |
186 | #include <stdlib.h> |
168 | #include <string.h> |
187 | #include <string.h> |
169 | #include <fcntl.h> |
188 | #include <fcntl.h> |
170 | #include <stddef.h> |
189 | #include <stddef.h> |
171 | |
190 | |
… | |
… | |
208 | # ifndef EV_SELECT_IS_WINSOCKET |
227 | # ifndef EV_SELECT_IS_WINSOCKET |
209 | # define EV_SELECT_IS_WINSOCKET 1 |
228 | # define EV_SELECT_IS_WINSOCKET 1 |
210 | # endif |
229 | # endif |
211 | # undef EV_AVOID_STDIO |
230 | # undef EV_AVOID_STDIO |
212 | #endif |
231 | #endif |
213 | |
|
|
214 | /* OS X, in its infinite idiocy, actually HARDCODES |
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|
215 | * a limit of 1024 into their select. Where people have brains, |
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216 | * OS X engineers apparently have a vacuum. Or maybe they were |
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217 | * ordered to have a vacuum, or they do anything for money. |
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218 | * This might help. Or not. |
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219 | */ |
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220 | #define _DARWIN_UNLIMITED_SELECT 1 |
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221 | |
232 | |
222 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
233 | /* this block tries to deduce configuration from header-defined symbols and defaults */ |
223 | |
234 | |
224 | /* try to deduce the maximum number of signals on this platform */ |
235 | /* try to deduce the maximum number of signals on this platform */ |
225 | #if defined EV_NSIG |
236 | #if defined EV_NSIG |
… | |
… | |
256 | # else |
267 | # else |
257 | # define EV_USE_CLOCK_SYSCALL 0 |
268 | # define EV_USE_CLOCK_SYSCALL 0 |
258 | # endif |
269 | # endif |
259 | #endif |
270 | #endif |
260 | |
271 | |
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|
272 | #if !(_POSIX_TIMERS > 0) |
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|
273 | # ifndef EV_USE_MONOTONIC |
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274 | # define EV_USE_MONOTONIC 0 |
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275 | # endif |
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276 | # ifndef EV_USE_REALTIME |
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277 | # define EV_USE_REALTIME 0 |
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278 | # endif |
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279 | #endif |
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280 | |
261 | #ifndef EV_USE_MONOTONIC |
281 | #ifndef EV_USE_MONOTONIC |
262 | # if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0 |
282 | # if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0 |
263 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
283 | # define EV_USE_MONOTONIC EV_FEATURE_OS |
264 | # else |
284 | # else |
265 | # define EV_USE_MONOTONIC 0 |
285 | # define EV_USE_MONOTONIC 0 |
… | |
… | |
304 | |
324 | |
305 | #ifndef EV_USE_PORT |
325 | #ifndef EV_USE_PORT |
306 | # define EV_USE_PORT 0 |
326 | # define EV_USE_PORT 0 |
307 | #endif |
327 | #endif |
308 | |
328 | |
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329 | #ifndef EV_USE_LINUXAIO |
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330 | # if __linux /* libev currently assumes linux/aio_abi.h is always available on linux */ |
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331 | # define EV_USE_LINUXAIO 1 |
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332 | # else |
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333 | # define EV_USE_LINUXAIO 0 |
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334 | # endif |
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335 | #endif |
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336 | |
309 | #ifndef EV_USE_INOTIFY |
337 | #ifndef EV_USE_INOTIFY |
310 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
338 | # if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4)) |
311 | # define EV_USE_INOTIFY EV_FEATURE_OS |
339 | # define EV_USE_INOTIFY EV_FEATURE_OS |
312 | # else |
340 | # else |
313 | # define EV_USE_INOTIFY 0 |
341 | # define EV_USE_INOTIFY 0 |
… | |
… | |
354 | |
382 | |
355 | #ifndef EV_HEAP_CACHE_AT |
383 | #ifndef EV_HEAP_CACHE_AT |
356 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
384 | # define EV_HEAP_CACHE_AT EV_FEATURE_DATA |
357 | #endif |
385 | #endif |
358 | |
386 | |
359 | #ifdef ANDROID |
387 | #ifdef __ANDROID__ |
360 | /* supposedly, android doesn't typedef fd_mask */ |
388 | /* supposedly, android doesn't typedef fd_mask */ |
361 | # undef EV_USE_SELECT |
389 | # undef EV_USE_SELECT |
362 | # define EV_USE_SELECT 0 |
390 | # define EV_USE_SELECT 0 |
363 | /* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */ |
391 | /* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */ |
364 | # undef EV_USE_CLOCK_SYSCALL |
392 | # undef EV_USE_CLOCK_SYSCALL |
… | |
… | |
405 | |
433 | |
406 | #if !EV_USE_NANOSLEEP |
434 | #if !EV_USE_NANOSLEEP |
407 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
435 | /* hp-ux has it in sys/time.h, which we unconditionally include above */ |
408 | # if !defined _WIN32 && !defined __hpux |
436 | # if !defined _WIN32 && !defined __hpux |
409 | # include <sys/select.h> |
437 | # include <sys/select.h> |
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438 | # endif |
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439 | #endif |
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440 | |
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441 | #if EV_USE_LINUXAIO |
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442 | # include <sys/syscall.h> |
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443 | # if !SYS_io_getevents || !EV_USE_EPOLL |
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444 | # undef EV_USE_LINUXAIO |
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|
445 | # define EV_USE_LINUXAIO 0 |
410 | # endif |
446 | # endif |
411 | #endif |
447 | #endif |
412 | |
448 | |
413 | #if EV_USE_INOTIFY |
449 | #if EV_USE_INOTIFY |
414 | # include <sys/statfs.h> |
450 | # include <sys/statfs.h> |
… | |
… | |
482 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
518 | /* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ |
483 | /* ECB.H BEGIN */ |
519 | /* ECB.H BEGIN */ |
484 | /* |
520 | /* |
485 | * libecb - http://software.schmorp.de/pkg/libecb |
521 | * libecb - http://software.schmorp.de/pkg/libecb |
486 | * |
522 | * |
487 | * Copyright (©) 2009-2013 Marc Alexander Lehmann <libecb@schmorp.de> |
523 | * Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de> |
488 | * Copyright (©) 2011 Emanuele Giaquinta |
524 | * Copyright (©) 2011 Emanuele Giaquinta |
489 | * All rights reserved. |
525 | * All rights reserved. |
490 | * |
526 | * |
491 | * Redistribution and use in source and binary forms, with or without modifica- |
527 | * Redistribution and use in source and binary forms, with or without modifica- |
492 | * tion, are permitted provided that the following conditions are met: |
528 | * tion, are permitted provided that the following conditions are met: |
… | |
… | |
506 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
542 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
507 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
543 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
508 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
544 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
509 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
545 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
510 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
546 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
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547 | * |
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548 | * Alternatively, the contents of this file may be used under the terms of |
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549 | * the GNU General Public License ("GPL") version 2 or any later version, |
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550 | * in which case the provisions of the GPL are applicable instead of |
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551 | * the above. If you wish to allow the use of your version of this file |
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552 | * only under the terms of the GPL and not to allow others to use your |
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553 | * version of this file under the BSD license, indicate your decision |
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554 | * by deleting the provisions above and replace them with the notice |
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555 | * and other provisions required by the GPL. If you do not delete the |
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556 | * provisions above, a recipient may use your version of this file under |
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557 | * either the BSD or the GPL. |
511 | */ |
558 | */ |
512 | |
559 | |
513 | #ifndef ECB_H |
560 | #ifndef ECB_H |
514 | #define ECB_H |
561 | #define ECB_H |
515 | |
562 | |
516 | /* 16 bits major, 16 bits minor */ |
563 | /* 16 bits major, 16 bits minor */ |
517 | #define ECB_VERSION 0x00010003 |
564 | #define ECB_VERSION 0x00010005 |
518 | |
565 | |
519 | #ifdef _WIN32 |
566 | #ifdef _WIN32 |
520 | typedef signed char int8_t; |
567 | typedef signed char int8_t; |
521 | typedef unsigned char uint8_t; |
568 | typedef unsigned char uint8_t; |
522 | typedef signed short int16_t; |
569 | typedef signed short int16_t; |
… | |
… | |
539 | typedef uint32_t uintptr_t; |
586 | typedef uint32_t uintptr_t; |
540 | typedef int32_t intptr_t; |
587 | typedef int32_t intptr_t; |
541 | #endif |
588 | #endif |
542 | #else |
589 | #else |
543 | #include <inttypes.h> |
590 | #include <inttypes.h> |
544 | #if UINTMAX_MAX > 0xffffffffU |
591 | #if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU |
545 | #define ECB_PTRSIZE 8 |
592 | #define ECB_PTRSIZE 8 |
546 | #else |
593 | #else |
547 | #define ECB_PTRSIZE 4 |
594 | #define ECB_PTRSIZE 4 |
548 | #endif |
595 | #endif |
549 | #endif |
596 | #endif |
550 | |
597 | |
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598 | #define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__) |
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599 | #define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64) |
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600 | |
551 | /* work around x32 idiocy by defining proper macros */ |
601 | /* work around x32 idiocy by defining proper macros */ |
552 | #if __amd64 || __x86_64 || _M_AMD64 || _M_X64 |
602 | #if ECB_GCC_AMD64 || ECB_MSVC_AMD64 |
553 | #if _ILP32 |
603 | #if _ILP32 |
554 | #define ECB_AMD64_X32 1 |
604 | #define ECB_AMD64_X32 1 |
555 | #else |
605 | #else |
556 | #define ECB_AMD64 1 |
606 | #define ECB_AMD64 1 |
557 | #endif |
607 | #endif |
… | |
… | |
562 | * causing enormous grief in return for some better fake benchmark numbers. |
612 | * causing enormous grief in return for some better fake benchmark numbers. |
563 | * or so. |
613 | * or so. |
564 | * we try to detect these and simply assume they are not gcc - if they have |
614 | * we try to detect these and simply assume they are not gcc - if they have |
565 | * an issue with that they should have done it right in the first place. |
615 | * an issue with that they should have done it right in the first place. |
566 | */ |
616 | */ |
567 | #ifndef ECB_GCC_VERSION |
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568 | #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__ |
617 | #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__ |
569 | #define ECB_GCC_VERSION(major,minor) 0 |
618 | #define ECB_GCC_VERSION(major,minor) 0 |
570 | #else |
619 | #else |
571 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
620 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
572 | #endif |
621 | #endif |
573 | #endif |
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574 | |
622 | |
575 | #define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */ |
623 | #define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor))) |
576 | #define ECB_C99 (__STDC_VERSION__ >= 199901L) |
624 | |
577 | #define ECB_C11 (__STDC_VERSION__ >= 201112L) |
625 | #if __clang__ && defined __has_builtin |
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626 | #define ECB_CLANG_BUILTIN(x) __has_builtin (x) |
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627 | #else |
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628 | #define ECB_CLANG_BUILTIN(x) 0 |
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629 | #endif |
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630 | |
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631 | #if __clang__ && defined __has_extension |
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632 | #define ECB_CLANG_EXTENSION(x) __has_extension (x) |
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633 | #else |
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634 | #define ECB_CLANG_EXTENSION(x) 0 |
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635 | #endif |
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636 | |
578 | #define ECB_CPP (__cplusplus+0) |
637 | #define ECB_CPP (__cplusplus+0) |
579 | #define ECB_CPP11 (__cplusplus >= 201103L) |
638 | #define ECB_CPP11 (__cplusplus >= 201103L) |
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639 | #define ECB_CPP14 (__cplusplus >= 201402L) |
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640 | #define ECB_CPP17 (__cplusplus >= 201703L) |
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641 | |
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642 | #if ECB_CPP |
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643 | #define ECB_C 0 |
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644 | #define ECB_STDC_VERSION 0 |
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645 | #else |
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646 | #define ECB_C 1 |
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647 | #define ECB_STDC_VERSION __STDC_VERSION__ |
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648 | #endif |
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649 | |
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650 | #define ECB_C99 (ECB_STDC_VERSION >= 199901L) |
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651 | #define ECB_C11 (ECB_STDC_VERSION >= 201112L) |
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652 | #define ECB_C17 (ECB_STDC_VERSION >= 201710L) |
580 | |
653 | |
581 | #if ECB_CPP |
654 | #if ECB_CPP |
582 | #define ECB_EXTERN_C extern "C" |
655 | #define ECB_EXTERN_C extern "C" |
583 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
656 | #define ECB_EXTERN_C_BEG ECB_EXTERN_C { |
584 | #define ECB_EXTERN_C_END } |
657 | #define ECB_EXTERN_C_END } |
… | |
… | |
597 | #define ECB_NO_SMP 1 |
670 | #define ECB_NO_SMP 1 |
598 | #endif |
671 | #endif |
599 | |
672 | |
600 | #if ECB_NO_SMP |
673 | #if ECB_NO_SMP |
601 | #define ECB_MEMORY_FENCE do { } while (0) |
674 | #define ECB_MEMORY_FENCE do { } while (0) |
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675 | #endif |
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676 | |
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677 | /* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */ |
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678 | #if __xlC__ && ECB_CPP |
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679 | #include <builtins.h> |
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680 | #endif |
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681 | |
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682 | #if 1400 <= _MSC_VER |
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683 | #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ |
602 | #endif |
684 | #endif |
603 | |
685 | |
604 | #ifndef ECB_MEMORY_FENCE |
686 | #ifndef ECB_MEMORY_FENCE |
605 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
687 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
606 | #if __i386 || __i386__ |
688 | #if __i386 || __i386__ |
607 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
689 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
608 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
690 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
609 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
691 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
610 | #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ |
692 | #elif ECB_GCC_AMD64 |
611 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
693 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
612 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
694 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
613 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
695 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory") |
614 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
696 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
615 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
697 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
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698 | #elif defined __ARM_ARCH_2__ \ |
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699 | || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \ |
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700 | || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \ |
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701 | || defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \ |
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702 | || defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \ |
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703 | || defined __ARM_ARCH_5TEJ__ |
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704 | /* should not need any, unless running old code on newer cpu - arm doesn't support that */ |
616 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
705 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
617 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ |
706 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \ |
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707 | || defined __ARM_ARCH_6T2__ |
618 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
708 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
619 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
709 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
620 | || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__ |
710 | || defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__ |
621 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
711 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
|
|
712 | #elif __aarch64__ |
|
|
713 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory") |
622 | #elif (__sparc || __sparc__) && !__sparcv8 |
714 | #elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8) |
623 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory") |
715 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory") |
624 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
716 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
625 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
717 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
626 | #elif defined __s390__ || defined __s390x__ |
718 | #elif defined __s390__ || defined __s390x__ |
627 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
719 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
… | |
… | |
648 | |
740 | |
649 | #ifndef ECB_MEMORY_FENCE |
741 | #ifndef ECB_MEMORY_FENCE |
650 | #if ECB_GCC_VERSION(4,7) |
742 | #if ECB_GCC_VERSION(4,7) |
651 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
743 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
652 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
744 | #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) |
|
|
745 | #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) |
|
|
746 | #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) |
653 | |
747 | |
654 | /* The __has_feature syntax from clang is so misdesigned that we cannot use it |
748 | #elif ECB_CLANG_EXTENSION(c_atomic) |
655 | * without risking compile time errors with other compilers. We *could* |
|
|
656 | * define our own ecb_clang_has_feature, but I just can't be bothered to work |
|
|
657 | * around this shit time and again. |
|
|
658 | * #elif defined __clang && __has_feature (cxx_atomic) |
|
|
659 | * // see comment below (stdatomic.h) about the C11 memory model. |
749 | /* see comment below (stdatomic.h) about the C11 memory model. */ |
660 | * #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
750 | #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) |
661 | */ |
751 | #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) |
|
|
752 | #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) |
662 | |
753 | |
663 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
754 | #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ |
664 | #define ECB_MEMORY_FENCE __sync_synchronize () |
755 | #define ECB_MEMORY_FENCE __sync_synchronize () |
665 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
756 | #elif _MSC_VER >= 1500 /* VC++ 2008 */ |
666 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
757 | /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ |
… | |
… | |
695 | /* any fence other than seq_cst, which isn't very efficient for us. */ |
786 | /* any fence other than seq_cst, which isn't very efficient for us. */ |
696 | /* Why that is, we don't know - either the C11 memory model is quite useless */ |
787 | /* Why that is, we don't know - either the C11 memory model is quite useless */ |
697 | /* for most usages, or gcc and clang have a bug */ |
788 | /* for most usages, or gcc and clang have a bug */ |
698 | /* I *currently* lean towards the latter, and inefficiently implement */ |
789 | /* I *currently* lean towards the latter, and inefficiently implement */ |
699 | /* all three of ecb's fences as a seq_cst fence */ |
790 | /* all three of ecb's fences as a seq_cst fence */ |
|
|
791 | /* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */ |
|
|
792 | /* for all __atomic_thread_fence's except seq_cst */ |
700 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
793 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst) |
701 | #endif |
794 | #endif |
702 | #endif |
795 | #endif |
703 | |
796 | |
704 | #ifndef ECB_MEMORY_FENCE |
797 | #ifndef ECB_MEMORY_FENCE |
… | |
… | |
727 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
820 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
728 | #endif |
821 | #endif |
729 | |
822 | |
730 | /*****************************************************************************/ |
823 | /*****************************************************************************/ |
731 | |
824 | |
732 | #if __cplusplus |
825 | #if ECB_CPP |
733 | #define ecb_inline static inline |
826 | #define ecb_inline static inline |
734 | #elif ECB_GCC_VERSION(2,5) |
827 | #elif ECB_GCC_VERSION(2,5) |
735 | #define ecb_inline static __inline__ |
828 | #define ecb_inline static __inline__ |
736 | #elif ECB_C99 |
829 | #elif ECB_C99 |
737 | #define ecb_inline static inline |
830 | #define ecb_inline static inline |
… | |
… | |
751 | |
844 | |
752 | #define ECB_CONCAT_(a, b) a ## b |
845 | #define ECB_CONCAT_(a, b) a ## b |
753 | #define ECB_CONCAT(a, b) ECB_CONCAT_(a, b) |
846 | #define ECB_CONCAT(a, b) ECB_CONCAT_(a, b) |
754 | #define ECB_STRINGIFY_(a) # a |
847 | #define ECB_STRINGIFY_(a) # a |
755 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
848 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
|
|
849 | #define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr)) |
756 | |
850 | |
757 | #define ecb_function_ ecb_inline |
851 | #define ecb_function_ ecb_inline |
758 | |
852 | |
759 | #if ECB_GCC_VERSION(3,1) |
853 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8) |
760 | #define ecb_attribute(attrlist) __attribute__(attrlist) |
854 | #define ecb_attribute(attrlist) __attribute__ (attrlist) |
|
|
855 | #else |
|
|
856 | #define ecb_attribute(attrlist) |
|
|
857 | #endif |
|
|
858 | |
|
|
859 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p) |
761 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
860 | #define ecb_is_constant(expr) __builtin_constant_p (expr) |
|
|
861 | #else |
|
|
862 | /* possible C11 impl for integral types |
|
|
863 | typedef struct ecb_is_constant_struct ecb_is_constant_struct; |
|
|
864 | #define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */ |
|
|
865 | |
|
|
866 | #define ecb_is_constant(expr) 0 |
|
|
867 | #endif |
|
|
868 | |
|
|
869 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect) |
762 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
870 | #define ecb_expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
871 | #else |
|
|
872 | #define ecb_expect(expr,value) (expr) |
|
|
873 | #endif |
|
|
874 | |
|
|
875 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch) |
763 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
876 | #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality) |
764 | #else |
877 | #else |
765 | #define ecb_attribute(attrlist) |
|
|
766 | #define ecb_is_constant(expr) 0 |
|
|
767 | #define ecb_expect(expr,value) (expr) |
|
|
768 | #define ecb_prefetch(addr,rw,locality) |
878 | #define ecb_prefetch(addr,rw,locality) |
769 | #endif |
879 | #endif |
770 | |
880 | |
771 | /* no emulation for ecb_decltype */ |
881 | /* no emulation for ecb_decltype */ |
772 | #if ECB_GCC_VERSION(4,5) |
882 | #if ECB_CPP11 |
|
|
883 | // older implementations might have problems with decltype(x)::type, work around it |
|
|
884 | template<class T> struct ecb_decltype_t { typedef T type; }; |
773 | #define ecb_decltype(x) __decltype(x) |
885 | #define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type |
774 | #elif ECB_GCC_VERSION(3,0) |
886 | #elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8) |
775 | #define ecb_decltype(x) __typeof(x) |
887 | #define ecb_decltype(x) __typeof__ (x) |
776 | #endif |
888 | #endif |
777 | |
889 | |
|
|
890 | #if _MSC_VER >= 1300 |
|
|
891 | #define ecb_deprecated __declspec (deprecated) |
|
|
892 | #else |
|
|
893 | #define ecb_deprecated ecb_attribute ((__deprecated__)) |
|
|
894 | #endif |
|
|
895 | |
|
|
896 | #if _MSC_VER >= 1500 |
|
|
897 | #define ecb_deprecated_message(msg) __declspec (deprecated (msg)) |
|
|
898 | #elif ECB_GCC_VERSION(4,5) |
|
|
899 | #define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg)) |
|
|
900 | #else |
|
|
901 | #define ecb_deprecated_message(msg) ecb_deprecated |
|
|
902 | #endif |
|
|
903 | |
|
|
904 | #if _MSC_VER >= 1400 |
|
|
905 | #define ecb_noinline __declspec (noinline) |
|
|
906 | #else |
778 | #define ecb_noinline ecb_attribute ((__noinline__)) |
907 | #define ecb_noinline ecb_attribute ((__noinline__)) |
|
|
908 | #endif |
|
|
909 | |
779 | #define ecb_unused ecb_attribute ((__unused__)) |
910 | #define ecb_unused ecb_attribute ((__unused__)) |
780 | #define ecb_const ecb_attribute ((__const__)) |
911 | #define ecb_const ecb_attribute ((__const__)) |
781 | #define ecb_pure ecb_attribute ((__pure__)) |
912 | #define ecb_pure ecb_attribute ((__pure__)) |
782 | |
913 | |
783 | #if ECB_C11 |
914 | #if ECB_C11 || __IBMC_NORETURN |
|
|
915 | /* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */ |
784 | #define ecb_noreturn _Noreturn |
916 | #define ecb_noreturn _Noreturn |
|
|
917 | #elif ECB_CPP11 |
|
|
918 | #define ecb_noreturn [[noreturn]] |
|
|
919 | #elif _MSC_VER >= 1200 |
|
|
920 | /* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */ |
|
|
921 | #define ecb_noreturn __declspec (noreturn) |
785 | #else |
922 | #else |
786 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
923 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
787 | #endif |
924 | #endif |
788 | |
925 | |
789 | #if ECB_GCC_VERSION(4,3) |
926 | #if ECB_GCC_VERSION(4,3) |
… | |
… | |
804 | /* for compatibility to the rest of the world */ |
941 | /* for compatibility to the rest of the world */ |
805 | #define ecb_likely(expr) ecb_expect_true (expr) |
942 | #define ecb_likely(expr) ecb_expect_true (expr) |
806 | #define ecb_unlikely(expr) ecb_expect_false (expr) |
943 | #define ecb_unlikely(expr) ecb_expect_false (expr) |
807 | |
944 | |
808 | /* count trailing zero bits and count # of one bits */ |
945 | /* count trailing zero bits and count # of one bits */ |
809 | #if ECB_GCC_VERSION(3,4) |
946 | #if ECB_GCC_VERSION(3,4) \ |
|
|
947 | || (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \ |
|
|
948 | && ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \ |
|
|
949 | && ECB_CLANG_BUILTIN(__builtin_popcount)) |
810 | /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ |
950 | /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ |
811 | #define ecb_ld32(x) (__builtin_clz (x) ^ 31) |
951 | #define ecb_ld32(x) (__builtin_clz (x) ^ 31) |
812 | #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) |
952 | #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) |
813 | #define ecb_ctz32(x) __builtin_ctz (x) |
953 | #define ecb_ctz32(x) __builtin_ctz (x) |
814 | #define ecb_ctz64(x) __builtin_ctzll (x) |
954 | #define ecb_ctz64(x) __builtin_ctzll (x) |
815 | #define ecb_popcount32(x) __builtin_popcount (x) |
955 | #define ecb_popcount32(x) __builtin_popcount (x) |
816 | /* no popcountll */ |
956 | /* no popcountll */ |
817 | #else |
957 | #else |
818 | ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const; |
958 | ecb_function_ ecb_const int ecb_ctz32 (uint32_t x); |
819 | ecb_function_ int |
959 | ecb_function_ ecb_const int |
820 | ecb_ctz32 (uint32_t x) |
960 | ecb_ctz32 (uint32_t x) |
821 | { |
961 | { |
|
|
962 | #if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM) |
|
|
963 | unsigned long r; |
|
|
964 | _BitScanForward (&r, x); |
|
|
965 | return (int)r; |
|
|
966 | #else |
822 | int r = 0; |
967 | int r = 0; |
823 | |
968 | |
824 | x &= ~x + 1; /* this isolates the lowest bit */ |
969 | x &= ~x + 1; /* this isolates the lowest bit */ |
825 | |
970 | |
826 | #if ECB_branchless_on_i386 |
971 | #if ECB_branchless_on_i386 |
… | |
… | |
836 | if (x & 0xff00ff00) r += 8; |
981 | if (x & 0xff00ff00) r += 8; |
837 | if (x & 0xffff0000) r += 16; |
982 | if (x & 0xffff0000) r += 16; |
838 | #endif |
983 | #endif |
839 | |
984 | |
840 | return r; |
985 | return r; |
|
|
986 | #endif |
841 | } |
987 | } |
842 | |
988 | |
843 | ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const; |
989 | ecb_function_ ecb_const int ecb_ctz64 (uint64_t x); |
844 | ecb_function_ int |
990 | ecb_function_ ecb_const int |
845 | ecb_ctz64 (uint64_t x) |
991 | ecb_ctz64 (uint64_t x) |
846 | { |
992 | { |
|
|
993 | #if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM) |
|
|
994 | unsigned long r; |
|
|
995 | _BitScanForward64 (&r, x); |
|
|
996 | return (int)r; |
|
|
997 | #else |
847 | int shift = x & 0xffffffffU ? 0 : 32; |
998 | int shift = x & 0xffffffff ? 0 : 32; |
848 | return ecb_ctz32 (x >> shift) + shift; |
999 | return ecb_ctz32 (x >> shift) + shift; |
|
|
1000 | #endif |
849 | } |
1001 | } |
850 | |
1002 | |
851 | ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const; |
1003 | ecb_function_ ecb_const int ecb_popcount32 (uint32_t x); |
852 | ecb_function_ int |
1004 | ecb_function_ ecb_const int |
853 | ecb_popcount32 (uint32_t x) |
1005 | ecb_popcount32 (uint32_t x) |
854 | { |
1006 | { |
855 | x -= (x >> 1) & 0x55555555; |
1007 | x -= (x >> 1) & 0x55555555; |
856 | x = ((x >> 2) & 0x33333333) + (x & 0x33333333); |
1008 | x = ((x >> 2) & 0x33333333) + (x & 0x33333333); |
857 | x = ((x >> 4) + x) & 0x0f0f0f0f; |
1009 | x = ((x >> 4) + x) & 0x0f0f0f0f; |
858 | x *= 0x01010101; |
1010 | x *= 0x01010101; |
859 | |
1011 | |
860 | return x >> 24; |
1012 | return x >> 24; |
861 | } |
1013 | } |
862 | |
1014 | |
863 | ecb_function_ int ecb_ld32 (uint32_t x) ecb_const; |
1015 | ecb_function_ ecb_const int ecb_ld32 (uint32_t x); |
864 | ecb_function_ int ecb_ld32 (uint32_t x) |
1016 | ecb_function_ ecb_const int ecb_ld32 (uint32_t x) |
865 | { |
1017 | { |
|
|
1018 | #if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM) |
|
|
1019 | unsigned long r; |
|
|
1020 | _BitScanReverse (&r, x); |
|
|
1021 | return (int)r; |
|
|
1022 | #else |
866 | int r = 0; |
1023 | int r = 0; |
867 | |
1024 | |
868 | if (x >> 16) { x >>= 16; r += 16; } |
1025 | if (x >> 16) { x >>= 16; r += 16; } |
869 | if (x >> 8) { x >>= 8; r += 8; } |
1026 | if (x >> 8) { x >>= 8; r += 8; } |
870 | if (x >> 4) { x >>= 4; r += 4; } |
1027 | if (x >> 4) { x >>= 4; r += 4; } |
871 | if (x >> 2) { x >>= 2; r += 2; } |
1028 | if (x >> 2) { x >>= 2; r += 2; } |
872 | if (x >> 1) { r += 1; } |
1029 | if (x >> 1) { r += 1; } |
873 | |
1030 | |
874 | return r; |
1031 | return r; |
|
|
1032 | #endif |
875 | } |
1033 | } |
876 | |
1034 | |
877 | ecb_function_ int ecb_ld64 (uint64_t x) ecb_const; |
1035 | ecb_function_ ecb_const int ecb_ld64 (uint64_t x); |
878 | ecb_function_ int ecb_ld64 (uint64_t x) |
1036 | ecb_function_ ecb_const int ecb_ld64 (uint64_t x) |
879 | { |
1037 | { |
|
|
1038 | #if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM) |
|
|
1039 | unsigned long r; |
|
|
1040 | _BitScanReverse64 (&r, x); |
|
|
1041 | return (int)r; |
|
|
1042 | #else |
880 | int r = 0; |
1043 | int r = 0; |
881 | |
1044 | |
882 | if (x >> 32) { x >>= 32; r += 32; } |
1045 | if (x >> 32) { x >>= 32; r += 32; } |
883 | |
1046 | |
884 | return r + ecb_ld32 (x); |
1047 | return r + ecb_ld32 (x); |
|
|
1048 | #endif |
885 | } |
1049 | } |
886 | #endif |
1050 | #endif |
887 | |
1051 | |
888 | ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const; |
1052 | ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x); |
889 | ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } |
1053 | ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } |
890 | ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const; |
1054 | ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x); |
891 | ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); } |
1055 | ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); } |
892 | |
1056 | |
893 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const; |
1057 | ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x); |
894 | ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) |
1058 | ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x) |
895 | { |
1059 | { |
896 | return ( (x * 0x0802U & 0x22110U) |
1060 | return ( (x * 0x0802U & 0x22110U) |
897 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
1061 | | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; |
898 | } |
1062 | } |
899 | |
1063 | |
900 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const; |
1064 | ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x); |
901 | ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) |
1065 | ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x) |
902 | { |
1066 | { |
903 | x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1); |
1067 | x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1); |
904 | x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2); |
1068 | x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2); |
905 | x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4); |
1069 | x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4); |
906 | x = ( x >> 8 ) | ( x << 8); |
1070 | x = ( x >> 8 ) | ( x << 8); |
907 | |
1071 | |
908 | return x; |
1072 | return x; |
909 | } |
1073 | } |
910 | |
1074 | |
911 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const; |
1075 | ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x); |
912 | ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) |
1076 | ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x) |
913 | { |
1077 | { |
914 | x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1); |
1078 | x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1); |
915 | x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2); |
1079 | x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2); |
916 | x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4); |
1080 | x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4); |
917 | x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8); |
1081 | x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8); |
… | |
… | |
920 | return x; |
1084 | return x; |
921 | } |
1085 | } |
922 | |
1086 | |
923 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
1087 | /* popcount64 is only available on 64 bit cpus as gcc builtin */ |
924 | /* so for this version we are lazy */ |
1088 | /* so for this version we are lazy */ |
925 | ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const; |
1089 | ecb_function_ ecb_const int ecb_popcount64 (uint64_t x); |
926 | ecb_function_ int |
1090 | ecb_function_ ecb_const int |
927 | ecb_popcount64 (uint64_t x) |
1091 | ecb_popcount64 (uint64_t x) |
928 | { |
1092 | { |
929 | return ecb_popcount32 (x) + ecb_popcount32 (x >> 32); |
1093 | return ecb_popcount32 (x) + ecb_popcount32 (x >> 32); |
930 | } |
1094 | } |
931 | |
1095 | |
932 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const; |
1096 | ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count); |
933 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const; |
1097 | ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count); |
934 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const; |
1098 | ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count); |
935 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const; |
1099 | ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count); |
936 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const; |
1100 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count); |
937 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const; |
1101 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count); |
938 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const; |
1102 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count); |
939 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const; |
1103 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count); |
940 | |
1104 | |
941 | ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); } |
1105 | ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); } |
942 | ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); } |
1106 | ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); } |
943 | ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); } |
1107 | ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); } |
944 | ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); } |
1108 | ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); } |
945 | ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
1109 | ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } |
946 | ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
1110 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
947 | ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
1111 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
948 | ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
1112 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
949 | |
1113 | |
950 | #if ECB_GCC_VERSION(4,3) |
1114 | #if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64)) |
|
|
1115 | #if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16) |
|
|
1116 | #define ecb_bswap16(x) __builtin_bswap16 (x) |
|
|
1117 | #else |
951 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
1118 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
|
|
1119 | #endif |
952 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
1120 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
953 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
1121 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
|
|
1122 | #elif _MSC_VER |
|
|
1123 | #include <stdlib.h> |
|
|
1124 | #define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x))) |
|
|
1125 | #define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x))) |
|
|
1126 | #define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x))) |
954 | #else |
1127 | #else |
955 | ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const; |
1128 | ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x); |
956 | ecb_function_ uint16_t |
1129 | ecb_function_ ecb_const uint16_t |
957 | ecb_bswap16 (uint16_t x) |
1130 | ecb_bswap16 (uint16_t x) |
958 | { |
1131 | { |
959 | return ecb_rotl16 (x, 8); |
1132 | return ecb_rotl16 (x, 8); |
960 | } |
1133 | } |
961 | |
1134 | |
962 | ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const; |
1135 | ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x); |
963 | ecb_function_ uint32_t |
1136 | ecb_function_ ecb_const uint32_t |
964 | ecb_bswap32 (uint32_t x) |
1137 | ecb_bswap32 (uint32_t x) |
965 | { |
1138 | { |
966 | return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16); |
1139 | return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16); |
967 | } |
1140 | } |
968 | |
1141 | |
969 | ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const; |
1142 | ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x); |
970 | ecb_function_ uint64_t |
1143 | ecb_function_ ecb_const uint64_t |
971 | ecb_bswap64 (uint64_t x) |
1144 | ecb_bswap64 (uint64_t x) |
972 | { |
1145 | { |
973 | return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); |
1146 | return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); |
974 | } |
1147 | } |
975 | #endif |
1148 | #endif |
976 | |
1149 | |
977 | #if ECB_GCC_VERSION(4,5) |
1150 | #if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable) |
978 | #define ecb_unreachable() __builtin_unreachable () |
1151 | #define ecb_unreachable() __builtin_unreachable () |
979 | #else |
1152 | #else |
980 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
1153 | /* this seems to work fine, but gcc always emits a warning for it :/ */ |
981 | ecb_inline void ecb_unreachable (void) ecb_noreturn; |
1154 | ecb_inline ecb_noreturn void ecb_unreachable (void); |
982 | ecb_inline void ecb_unreachable (void) { } |
1155 | ecb_inline ecb_noreturn void ecb_unreachable (void) { } |
983 | #endif |
1156 | #endif |
984 | |
1157 | |
985 | /* try to tell the compiler that some condition is definitely true */ |
1158 | /* try to tell the compiler that some condition is definitely true */ |
986 | #define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0 |
1159 | #define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0 |
987 | |
1160 | |
988 | ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const; |
1161 | ecb_inline ecb_const uint32_t ecb_byteorder_helper (void); |
989 | ecb_inline unsigned char |
1162 | ecb_inline ecb_const uint32_t |
990 | ecb_byteorder_helper (void) |
1163 | ecb_byteorder_helper (void) |
991 | { |
1164 | { |
992 | /* the union code still generates code under pressure in gcc, */ |
1165 | /* the union code still generates code under pressure in gcc, */ |
993 | /* but less than using pointers, and always seems to */ |
1166 | /* but less than using pointers, and always seems to */ |
994 | /* successfully return a constant. */ |
1167 | /* successfully return a constant. */ |
995 | /* the reason why we have this horrible preprocessor mess */ |
1168 | /* the reason why we have this horrible preprocessor mess */ |
996 | /* is to avoid it in all cases, at least on common architectures */ |
1169 | /* is to avoid it in all cases, at least on common architectures */ |
997 | /* or when using a recent enough gcc version (>= 4.6) */ |
1170 | /* or when using a recent enough gcc version (>= 4.6) */ |
998 | #if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64 |
|
|
999 | return 0x44; |
|
|
1000 | #elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ |
1171 | #if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \ |
|
|
1172 | || ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__) |
|
|
1173 | #define ECB_LITTLE_ENDIAN 1 |
1001 | return 0x44; |
1174 | return 0x44332211; |
1002 | #elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ |
1175 | #elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \ |
|
|
1176 | || ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__) |
|
|
1177 | #define ECB_BIG_ENDIAN 1 |
1003 | return 0x11; |
1178 | return 0x11223344; |
1004 | #else |
1179 | #else |
1005 | union |
1180 | union |
1006 | { |
1181 | { |
|
|
1182 | uint8_t c[4]; |
1007 | uint32_t i; |
1183 | uint32_t u; |
1008 | uint8_t c; |
|
|
1009 | } u = { 0x11223344 }; |
1184 | } u = { 0x11, 0x22, 0x33, 0x44 }; |
1010 | return u.c; |
1185 | return u.u; |
1011 | #endif |
1186 | #endif |
1012 | } |
1187 | } |
1013 | |
1188 | |
1014 | ecb_inline ecb_bool ecb_big_endian (void) ecb_const; |
1189 | ecb_inline ecb_const ecb_bool ecb_big_endian (void); |
1015 | ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } |
1190 | ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; } |
1016 | ecb_inline ecb_bool ecb_little_endian (void) ecb_const; |
1191 | ecb_inline ecb_const ecb_bool ecb_little_endian (void); |
1017 | ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } |
1192 | ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; } |
1018 | |
1193 | |
1019 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
1194 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
1020 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
1195 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
1021 | #else |
1196 | #else |
1022 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
1197 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
1023 | #endif |
1198 | #endif |
1024 | |
1199 | |
1025 | #if __cplusplus |
1200 | #if ECB_CPP |
1026 | template<typename T> |
1201 | template<typename T> |
1027 | static inline T ecb_div_rd (T val, T div) |
1202 | static inline T ecb_div_rd (T val, T div) |
1028 | { |
1203 | { |
1029 | return val < 0 ? - ((-val + div - 1) / div) : (val ) / div; |
1204 | return val < 0 ? - ((-val + div - 1) / div) : (val ) / div; |
1030 | } |
1205 | } |
… | |
… | |
1047 | } |
1222 | } |
1048 | #else |
1223 | #else |
1049 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
1224 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
1050 | #endif |
1225 | #endif |
1051 | |
1226 | |
|
|
1227 | ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x); |
|
|
1228 | ecb_function_ ecb_const uint32_t |
|
|
1229 | ecb_binary16_to_binary32 (uint32_t x) |
|
|
1230 | { |
|
|
1231 | unsigned int s = (x & 0x8000) << (31 - 15); |
|
|
1232 | int e = (x >> 10) & 0x001f; |
|
|
1233 | unsigned int m = x & 0x03ff; |
|
|
1234 | |
|
|
1235 | if (ecb_expect_false (e == 31)) |
|
|
1236 | /* infinity or NaN */ |
|
|
1237 | e = 255 - (127 - 15); |
|
|
1238 | else if (ecb_expect_false (!e)) |
|
|
1239 | { |
|
|
1240 | if (ecb_expect_true (!m)) |
|
|
1241 | /* zero, handled by code below by forcing e to 0 */ |
|
|
1242 | e = 0 - (127 - 15); |
|
|
1243 | else |
|
|
1244 | { |
|
|
1245 | /* subnormal, renormalise */ |
|
|
1246 | unsigned int s = 10 - ecb_ld32 (m); |
|
|
1247 | |
|
|
1248 | m = (m << s) & 0x3ff; /* mask implicit bit */ |
|
|
1249 | e -= s - 1; |
|
|
1250 | } |
|
|
1251 | } |
|
|
1252 | |
|
|
1253 | /* e and m now are normalised, or zero, (or inf or nan) */ |
|
|
1254 | e += 127 - 15; |
|
|
1255 | |
|
|
1256 | return s | (e << 23) | (m << (23 - 10)); |
|
|
1257 | } |
|
|
1258 | |
|
|
1259 | ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x); |
|
|
1260 | ecb_function_ ecb_const uint16_t |
|
|
1261 | ecb_binary32_to_binary16 (uint32_t x) |
|
|
1262 | { |
|
|
1263 | unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */ |
|
|
1264 | unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */ |
|
|
1265 | unsigned int m = x & 0x007fffff; |
|
|
1266 | |
|
|
1267 | x &= 0x7fffffff; |
|
|
1268 | |
|
|
1269 | /* if it's within range of binary16 normals, use fast path */ |
|
|
1270 | if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff)) |
|
|
1271 | { |
|
|
1272 | /* mantissa round-to-even */ |
|
|
1273 | m += 0x00000fff + ((m >> (23 - 10)) & 1); |
|
|
1274 | |
|
|
1275 | /* handle overflow */ |
|
|
1276 | if (ecb_expect_false (m >= 0x00800000)) |
|
|
1277 | { |
|
|
1278 | m >>= 1; |
|
|
1279 | e += 1; |
|
|
1280 | } |
|
|
1281 | |
|
|
1282 | return s | (e << 10) | (m >> (23 - 10)); |
|
|
1283 | } |
|
|
1284 | |
|
|
1285 | /* handle large numbers and infinity */ |
|
|
1286 | if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000)) |
|
|
1287 | return s | 0x7c00; |
|
|
1288 | |
|
|
1289 | /* handle zero, subnormals and small numbers */ |
|
|
1290 | if (ecb_expect_true (x < 0x38800000)) |
|
|
1291 | { |
|
|
1292 | /* zero */ |
|
|
1293 | if (ecb_expect_true (!x)) |
|
|
1294 | return s; |
|
|
1295 | |
|
|
1296 | /* handle subnormals */ |
|
|
1297 | |
|
|
1298 | /* too small, will be zero */ |
|
|
1299 | if (e < (14 - 24)) /* might not be sharp, but is good enough */ |
|
|
1300 | return s; |
|
|
1301 | |
|
|
1302 | m |= 0x00800000; /* make implicit bit explicit */ |
|
|
1303 | |
|
|
1304 | /* very tricky - we need to round to the nearest e (+10) bit value */ |
|
|
1305 | { |
|
|
1306 | unsigned int bits = 14 - e; |
|
|
1307 | unsigned int half = (1 << (bits - 1)) - 1; |
|
|
1308 | unsigned int even = (m >> bits) & 1; |
|
|
1309 | |
|
|
1310 | /* if this overflows, we will end up with a normalised number */ |
|
|
1311 | m = (m + half + even) >> bits; |
|
|
1312 | } |
|
|
1313 | |
|
|
1314 | return s | m; |
|
|
1315 | } |
|
|
1316 | |
|
|
1317 | /* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */ |
|
|
1318 | m >>= 13; |
|
|
1319 | |
|
|
1320 | return s | 0x7c00 | m | !m; |
|
|
1321 | } |
|
|
1322 | |
1052 | /*******************************************************************************/ |
1323 | /*******************************************************************************/ |
1053 | /* floating point stuff, can be disabled by defining ECB_NO_LIBM */ |
1324 | /* floating point stuff, can be disabled by defining ECB_NO_LIBM */ |
1054 | |
1325 | |
1055 | /* basically, everything uses "ieee pure-endian" floating point numbers */ |
1326 | /* basically, everything uses "ieee pure-endian" floating point numbers */ |
1056 | /* the only noteworthy exception is ancient armle, which uses order 43218765 */ |
1327 | /* the only noteworthy exception is ancient armle, which uses order 43218765 */ |
1057 | #if 0 \ |
1328 | #if 0 \ |
1058 | || __i386 || __i386__ \ |
1329 | || __i386 || __i386__ \ |
1059 | || __amd64 || __amd64__ || __x86_64 || __x86_64__ \ |
1330 | || ECB_GCC_AMD64 \ |
1060 | || __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \ |
1331 | || __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \ |
1061 | || defined __arm__ && defined __ARM_EABI__ \ |
|
|
1062 | || defined __s390__ || defined __s390x__ \ |
1332 | || defined __s390__ || defined __s390x__ \ |
1063 | || defined __mips__ \ |
1333 | || defined __mips__ \ |
1064 | || defined __alpha__ \ |
1334 | || defined __alpha__ \ |
1065 | || defined __hppa__ \ |
1335 | || defined __hppa__ \ |
1066 | || defined __ia64__ \ |
1336 | || defined __ia64__ \ |
1067 | || defined __m68k__ \ |
1337 | || defined __m68k__ \ |
1068 | || defined __m88k__ \ |
1338 | || defined __m88k__ \ |
1069 | || defined __sh__ \ |
1339 | || defined __sh__ \ |
1070 | || defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 |
1340 | || defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \ |
|
|
1341 | || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \ |
|
|
1342 | || defined __aarch64__ |
1071 | #define ECB_STDFP 1 |
1343 | #define ECB_STDFP 1 |
1072 | #include <string.h> /* for memcpy */ |
1344 | #include <string.h> /* for memcpy */ |
1073 | #else |
1345 | #else |
1074 | #define ECB_STDFP 0 |
1346 | #define ECB_STDFP 0 |
1075 | #endif |
1347 | #endif |
… | |
… | |
1089 | #define ECB_NAN NAN |
1361 | #define ECB_NAN NAN |
1090 | #else |
1362 | #else |
1091 | #define ECB_NAN ECB_INFINITY |
1363 | #define ECB_NAN ECB_INFINITY |
1092 | #endif |
1364 | #endif |
1093 | |
1365 | |
1094 | /* converts an ieee half/binary16 to a float */ |
1366 | #if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L |
1095 | ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const; |
1367 | #define ecb_ldexpf(x,e) ldexpf ((x), (e)) |
1096 | ecb_function_ float |
1368 | #define ecb_frexpf(x,e) frexpf ((x), (e)) |
1097 | ecb_binary16_to_float (uint16_t x) |
1369 | #else |
1098 | { |
1370 | #define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e)) |
1099 | int e = (x >> 10) & 0x1f; |
1371 | #define ecb_frexpf(x,e) (float) frexp ((double) (x), (e)) |
1100 | int m = x & 0x3ff; |
1372 | #endif |
1101 | float r; |
|
|
1102 | |
|
|
1103 | if (!e ) r = ldexpf (m , -24); |
|
|
1104 | else if (e != 31) r = ldexpf (m + 0x400, e - 25); |
|
|
1105 | else if (m ) r = ECB_NAN; |
|
|
1106 | else r = ECB_INFINITY; |
|
|
1107 | |
|
|
1108 | return x & 0x8000 ? -r : r; |
|
|
1109 | } |
|
|
1110 | |
1373 | |
1111 | /* convert a float to ieee single/binary32 */ |
1374 | /* convert a float to ieee single/binary32 */ |
1112 | ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const; |
1375 | ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x); |
1113 | ecb_function_ uint32_t |
1376 | ecb_function_ ecb_const uint32_t |
1114 | ecb_float_to_binary32 (float x) |
1377 | ecb_float_to_binary32 (float x) |
1115 | { |
1378 | { |
1116 | uint32_t r; |
1379 | uint32_t r; |
1117 | |
1380 | |
1118 | #if ECB_STDFP |
1381 | #if ECB_STDFP |
… | |
… | |
1125 | if (x == 0e0f ) return 0x00000000U; |
1388 | if (x == 0e0f ) return 0x00000000U; |
1126 | if (x > +3.40282346638528860e+38f) return 0x7f800000U; |
1389 | if (x > +3.40282346638528860e+38f) return 0x7f800000U; |
1127 | if (x < -3.40282346638528860e+38f) return 0xff800000U; |
1390 | if (x < -3.40282346638528860e+38f) return 0xff800000U; |
1128 | if (x != x ) return 0x7fbfffffU; |
1391 | if (x != x ) return 0x7fbfffffU; |
1129 | |
1392 | |
1130 | m = frexpf (x, &e) * 0x1000000U; |
1393 | m = ecb_frexpf (x, &e) * 0x1000000U; |
1131 | |
1394 | |
1132 | r = m & 0x80000000U; |
1395 | r = m & 0x80000000U; |
1133 | |
1396 | |
1134 | if (r) |
1397 | if (r) |
1135 | m = -m; |
1398 | m = -m; |
… | |
… | |
1147 | |
1410 | |
1148 | return r; |
1411 | return r; |
1149 | } |
1412 | } |
1150 | |
1413 | |
1151 | /* converts an ieee single/binary32 to a float */ |
1414 | /* converts an ieee single/binary32 to a float */ |
1152 | ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const; |
1415 | ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x); |
1153 | ecb_function_ float |
1416 | ecb_function_ ecb_const float |
1154 | ecb_binary32_to_float (uint32_t x) |
1417 | ecb_binary32_to_float (uint32_t x) |
1155 | { |
1418 | { |
1156 | float r; |
1419 | float r; |
1157 | |
1420 | |
1158 | #if ECB_STDFP |
1421 | #if ECB_STDFP |
… | |
… | |
1168 | x |= 0x800000U; |
1431 | x |= 0x800000U; |
1169 | else |
1432 | else |
1170 | e = 1; |
1433 | e = 1; |
1171 | |
1434 | |
1172 | /* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */ |
1435 | /* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */ |
1173 | r = ldexpf (x * (0.5f / 0x800000U), e - 126); |
1436 | r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126); |
1174 | |
1437 | |
1175 | r = neg ? -r : r; |
1438 | r = neg ? -r : r; |
1176 | #endif |
1439 | #endif |
1177 | |
1440 | |
1178 | return r; |
1441 | return r; |
1179 | } |
1442 | } |
1180 | |
1443 | |
1181 | /* convert a double to ieee double/binary64 */ |
1444 | /* convert a double to ieee double/binary64 */ |
1182 | ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const; |
1445 | ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x); |
1183 | ecb_function_ uint64_t |
1446 | ecb_function_ ecb_const uint64_t |
1184 | ecb_double_to_binary64 (double x) |
1447 | ecb_double_to_binary64 (double x) |
1185 | { |
1448 | { |
1186 | uint64_t r; |
1449 | uint64_t r; |
1187 | |
1450 | |
1188 | #if ECB_STDFP |
1451 | #if ECB_STDFP |
… | |
… | |
1217 | |
1480 | |
1218 | return r; |
1481 | return r; |
1219 | } |
1482 | } |
1220 | |
1483 | |
1221 | /* converts an ieee double/binary64 to a double */ |
1484 | /* converts an ieee double/binary64 to a double */ |
1222 | ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const; |
1485 | ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x); |
1223 | ecb_function_ double |
1486 | ecb_function_ ecb_const double |
1224 | ecb_binary64_to_double (uint64_t x) |
1487 | ecb_binary64_to_double (uint64_t x) |
1225 | { |
1488 | { |
1226 | double r; |
1489 | double r; |
1227 | |
1490 | |
1228 | #if ECB_STDFP |
1491 | #if ECB_STDFP |
… | |
… | |
1244 | |
1507 | |
1245 | r = neg ? -r : r; |
1508 | r = neg ? -r : r; |
1246 | #endif |
1509 | #endif |
1247 | |
1510 | |
1248 | return r; |
1511 | return r; |
|
|
1512 | } |
|
|
1513 | |
|
|
1514 | /* convert a float to ieee half/binary16 */ |
|
|
1515 | ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x); |
|
|
1516 | ecb_function_ ecb_const uint16_t |
|
|
1517 | ecb_float_to_binary16 (float x) |
|
|
1518 | { |
|
|
1519 | return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x)); |
|
|
1520 | } |
|
|
1521 | |
|
|
1522 | /* convert an ieee half/binary16 to float */ |
|
|
1523 | ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x); |
|
|
1524 | ecb_function_ ecb_const float |
|
|
1525 | ecb_binary16_to_float (uint16_t x) |
|
|
1526 | { |
|
|
1527 | return ecb_binary32_to_float (ecb_binary16_to_binary32 (x)); |
1249 | } |
1528 | } |
1250 | |
1529 | |
1251 | #endif |
1530 | #endif |
1252 | |
1531 | |
1253 | #endif |
1532 | #endif |
… | |
… | |
1278 | #define inline_size ecb_inline |
1557 | #define inline_size ecb_inline |
1279 | |
1558 | |
1280 | #if EV_FEATURE_CODE |
1559 | #if EV_FEATURE_CODE |
1281 | # define inline_speed ecb_inline |
1560 | # define inline_speed ecb_inline |
1282 | #else |
1561 | #else |
1283 | # define inline_speed static noinline |
1562 | # define inline_speed noinline static |
1284 | #endif |
1563 | #endif |
1285 | |
1564 | |
1286 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1565 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1287 | |
1566 | |
1288 | #if EV_MINPRI == EV_MAXPRI |
1567 | #if EV_MINPRI == EV_MAXPRI |
1289 | # define ABSPRI(w) (((W)w), 0) |
1568 | # define ABSPRI(w) (((W)w), 0) |
1290 | #else |
1569 | #else |
1291 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
1570 | # define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
1292 | #endif |
1571 | #endif |
1293 | |
1572 | |
1294 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
1573 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
1295 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
|
|
1296 | |
1574 | |
1297 | typedef ev_watcher *W; |
1575 | typedef ev_watcher *W; |
1298 | typedef ev_watcher_list *WL; |
1576 | typedef ev_watcher_list *WL; |
1299 | typedef ev_watcher_time *WT; |
1577 | typedef ev_watcher_time *WT; |
1300 | |
1578 | |
… | |
… | |
1325 | # include "ev_win32.c" |
1603 | # include "ev_win32.c" |
1326 | #endif |
1604 | #endif |
1327 | |
1605 | |
1328 | /*****************************************************************************/ |
1606 | /*****************************************************************************/ |
1329 | |
1607 | |
|
|
1608 | #if EV_USE_LINUXAIO |
|
|
1609 | # include <linux/aio_abi.h> /* probably only needed for aio_context_t */ |
|
|
1610 | #endif |
|
|
1611 | |
1330 | /* define a suitable floor function (only used by periodics atm) */ |
1612 | /* define a suitable floor function (only used by periodics atm) */ |
1331 | |
1613 | |
1332 | #if EV_USE_FLOOR |
1614 | #if EV_USE_FLOOR |
1333 | # include <math.h> |
1615 | # include <math.h> |
1334 | # define ev_floor(v) floor (v) |
1616 | # define ev_floor(v) floor (v) |
1335 | #else |
1617 | #else |
1336 | |
1618 | |
1337 | #include <float.h> |
1619 | #include <float.h> |
1338 | |
1620 | |
1339 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
1621 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
|
|
1622 | noinline |
1340 | static ev_tstamp noinline |
1623 | static ev_tstamp |
1341 | ev_floor (ev_tstamp v) |
1624 | ev_floor (ev_tstamp v) |
1342 | { |
1625 | { |
1343 | /* the choice of shift factor is not terribly important */ |
1626 | /* the choice of shift factor is not terribly important */ |
1344 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1627 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1345 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
1628 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
… | |
… | |
1377 | |
1660 | |
1378 | #ifdef __linux |
1661 | #ifdef __linux |
1379 | # include <sys/utsname.h> |
1662 | # include <sys/utsname.h> |
1380 | #endif |
1663 | #endif |
1381 | |
1664 | |
1382 | static unsigned int noinline ecb_cold |
1665 | noinline ecb_cold |
|
|
1666 | static unsigned int |
1383 | ev_linux_version (void) |
1667 | ev_linux_version (void) |
1384 | { |
1668 | { |
1385 | #ifdef __linux |
1669 | #ifdef __linux |
1386 | unsigned int v = 0; |
1670 | unsigned int v = 0; |
1387 | struct utsname buf; |
1671 | struct utsname buf; |
… | |
… | |
1416 | } |
1700 | } |
1417 | |
1701 | |
1418 | /*****************************************************************************/ |
1702 | /*****************************************************************************/ |
1419 | |
1703 | |
1420 | #if EV_AVOID_STDIO |
1704 | #if EV_AVOID_STDIO |
1421 | static void noinline ecb_cold |
1705 | noinline ecb_cold |
|
|
1706 | static void |
1422 | ev_printerr (const char *msg) |
1707 | ev_printerr (const char *msg) |
1423 | { |
1708 | { |
1424 | write (STDERR_FILENO, msg, strlen (msg)); |
1709 | write (STDERR_FILENO, msg, strlen (msg)); |
1425 | } |
1710 | } |
1426 | #endif |
1711 | #endif |
1427 | |
1712 | |
1428 | static void (*syserr_cb)(const char *msg) EV_THROW; |
1713 | static void (*syserr_cb)(const char *msg) EV_NOEXCEPT; |
1429 | |
1714 | |
1430 | void ecb_cold |
1715 | ecb_cold |
|
|
1716 | void |
1431 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW |
1717 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT |
1432 | { |
1718 | { |
1433 | syserr_cb = cb; |
1719 | syserr_cb = cb; |
1434 | } |
1720 | } |
1435 | |
1721 | |
1436 | static void noinline ecb_cold |
1722 | noinline ecb_cold |
|
|
1723 | static void |
1437 | ev_syserr (const char *msg) |
1724 | ev_syserr (const char *msg) |
1438 | { |
1725 | { |
1439 | if (!msg) |
1726 | if (!msg) |
1440 | msg = "(libev) system error"; |
1727 | msg = "(libev) system error"; |
1441 | |
1728 | |
… | |
… | |
1454 | abort (); |
1741 | abort (); |
1455 | } |
1742 | } |
1456 | } |
1743 | } |
1457 | |
1744 | |
1458 | static void * |
1745 | static void * |
1459 | ev_realloc_emul (void *ptr, long size) EV_THROW |
1746 | ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT |
1460 | { |
1747 | { |
1461 | /* some systems, notably openbsd and darwin, fail to properly |
1748 | /* some systems, notably openbsd and darwin, fail to properly |
1462 | * implement realloc (x, 0) (as required by both ansi c-89 and |
1749 | * implement realloc (x, 0) (as required by both ansi c-89 and |
1463 | * the single unix specification, so work around them here. |
1750 | * the single unix specification, so work around them here. |
1464 | * recently, also (at least) fedora and debian started breaking it, |
1751 | * recently, also (at least) fedora and debian started breaking it, |
… | |
… | |
1470 | |
1757 | |
1471 | free (ptr); |
1758 | free (ptr); |
1472 | return 0; |
1759 | return 0; |
1473 | } |
1760 | } |
1474 | |
1761 | |
1475 | static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; |
1762 | static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul; |
1476 | |
1763 | |
1477 | void ecb_cold |
1764 | ecb_cold |
|
|
1765 | void |
1478 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW |
1766 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT |
1479 | { |
1767 | { |
1480 | alloc = cb; |
1768 | alloc = cb; |
1481 | } |
1769 | } |
1482 | |
1770 | |
1483 | inline_speed void * |
1771 | inline_speed void * |
… | |
… | |
1510 | typedef struct |
1798 | typedef struct |
1511 | { |
1799 | { |
1512 | WL head; |
1800 | WL head; |
1513 | unsigned char events; /* the events watched for */ |
1801 | unsigned char events; /* the events watched for */ |
1514 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
1802 | unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */ |
1515 | unsigned char emask; /* the epoll backend stores the actual kernel mask in here */ |
1803 | unsigned char emask; /* some backends store the actual kernel mask in here */ |
1516 | unsigned char unused; |
1804 | unsigned char unused; |
1517 | #if EV_USE_EPOLL |
1805 | #if EV_USE_EPOLL |
1518 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1806 | unsigned int egen; /* generation counter to counter epoll bugs */ |
1519 | #endif |
1807 | #endif |
1520 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
1808 | #if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP |
… | |
… | |
1600 | |
1888 | |
1601 | /*****************************************************************************/ |
1889 | /*****************************************************************************/ |
1602 | |
1890 | |
1603 | #ifndef EV_HAVE_EV_TIME |
1891 | #ifndef EV_HAVE_EV_TIME |
1604 | ev_tstamp |
1892 | ev_tstamp |
1605 | ev_time (void) EV_THROW |
1893 | ev_time (void) EV_NOEXCEPT |
1606 | { |
1894 | { |
1607 | #if EV_USE_REALTIME |
1895 | #if EV_USE_REALTIME |
1608 | if (expect_true (have_realtime)) |
1896 | if (expect_true (have_realtime)) |
1609 | { |
1897 | { |
1610 | struct timespec ts; |
1898 | struct timespec ts; |
… | |
… | |
1634 | return ev_time (); |
1922 | return ev_time (); |
1635 | } |
1923 | } |
1636 | |
1924 | |
1637 | #if EV_MULTIPLICITY |
1925 | #if EV_MULTIPLICITY |
1638 | ev_tstamp |
1926 | ev_tstamp |
1639 | ev_now (EV_P) EV_THROW |
1927 | ev_now (EV_P) EV_NOEXCEPT |
1640 | { |
1928 | { |
1641 | return ev_rt_now; |
1929 | return ev_rt_now; |
1642 | } |
1930 | } |
1643 | #endif |
1931 | #endif |
1644 | |
1932 | |
1645 | void |
1933 | void |
1646 | ev_sleep (ev_tstamp delay) EV_THROW |
1934 | ev_sleep (ev_tstamp delay) EV_NOEXCEPT |
1647 | { |
1935 | { |
1648 | if (delay > 0.) |
1936 | if (delay > 0.) |
1649 | { |
1937 | { |
1650 | #if EV_USE_NANOSLEEP |
1938 | #if EV_USE_NANOSLEEP |
1651 | struct timespec ts; |
1939 | struct timespec ts; |
1652 | |
1940 | |
1653 | EV_TS_SET (ts, delay); |
1941 | EV_TS_SET (ts, delay); |
1654 | nanosleep (&ts, 0); |
1942 | nanosleep (&ts, 0); |
1655 | #elif defined _WIN32 |
1943 | #elif defined _WIN32 |
|
|
1944 | /* maybe this should round up, as ms is very low resolution */ |
|
|
1945 | /* compared to select (µs) or nanosleep (ns) */ |
1656 | Sleep ((unsigned long)(delay * 1e3)); |
1946 | Sleep ((unsigned long)(delay * 1e3)); |
1657 | #else |
1947 | #else |
1658 | struct timeval tv; |
1948 | struct timeval tv; |
1659 | |
1949 | |
1660 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
1950 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
… | |
… | |
1691 | } |
1981 | } |
1692 | |
1982 | |
1693 | return ncur; |
1983 | return ncur; |
1694 | } |
1984 | } |
1695 | |
1985 | |
1696 | static void * noinline ecb_cold |
1986 | noinline ecb_cold |
|
|
1987 | static void * |
1697 | array_realloc (int elem, void *base, int *cur, int cnt) |
1988 | array_realloc (int elem, void *base, int *cur, int cnt) |
1698 | { |
1989 | { |
1699 | *cur = array_nextsize (elem, *cur, cnt); |
1990 | *cur = array_nextsize (elem, *cur, cnt); |
1700 | return ev_realloc (base, elem * *cur); |
1991 | return ev_realloc (base, elem * *cur); |
1701 | } |
1992 | } |
1702 | |
1993 | |
|
|
1994 | #define array_needsize_noinit(base,count) |
|
|
1995 | |
1703 | #define array_init_zero(base,count) \ |
1996 | #define array_needsize_zerofill(base,count) \ |
1704 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
1997 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
1705 | |
1998 | |
1706 | #define array_needsize(type,base,cur,cnt,init) \ |
1999 | #define array_needsize(type,base,cur,cnt,init) \ |
1707 | if (expect_false ((cnt) > (cur))) \ |
2000 | if (expect_false ((cnt) > (cur))) \ |
1708 | { \ |
2001 | { \ |
1709 | int ecb_unused ocur_ = (cur); \ |
2002 | ecb_unused int ocur_ = (cur); \ |
1710 | (base) = (type *)array_realloc \ |
2003 | (base) = (type *)array_realloc \ |
1711 | (sizeof (type), (base), &(cur), (cnt)); \ |
2004 | (sizeof (type), (base), &(cur), (cnt)); \ |
1712 | init ((base) + (ocur_), (cur) - ocur_); \ |
2005 | init ((base) + (ocur_), (cur) - ocur_); \ |
1713 | } |
2006 | } |
1714 | |
2007 | |
… | |
… | |
1726 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
2019 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
1727 | |
2020 | |
1728 | /*****************************************************************************/ |
2021 | /*****************************************************************************/ |
1729 | |
2022 | |
1730 | /* dummy callback for pending events */ |
2023 | /* dummy callback for pending events */ |
1731 | static void noinline |
2024 | noinline |
|
|
2025 | static void |
1732 | pendingcb (EV_P_ ev_prepare *w, int revents) |
2026 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1733 | { |
2027 | { |
1734 | } |
2028 | } |
1735 | |
2029 | |
1736 | void noinline |
2030 | noinline |
|
|
2031 | void |
1737 | ev_feed_event (EV_P_ void *w, int revents) EV_THROW |
2032 | ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT |
1738 | { |
2033 | { |
1739 | W w_ = (W)w; |
2034 | W w_ = (W)w; |
1740 | int pri = ABSPRI (w_); |
2035 | int pri = ABSPRI (w_); |
1741 | |
2036 | |
1742 | if (expect_false (w_->pending)) |
2037 | if (expect_false (w_->pending)) |
1743 | pendings [pri][w_->pending - 1].events |= revents; |
2038 | pendings [pri][w_->pending - 1].events |= revents; |
1744 | else |
2039 | else |
1745 | { |
2040 | { |
1746 | w_->pending = ++pendingcnt [pri]; |
2041 | w_->pending = ++pendingcnt [pri]; |
1747 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
2042 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit); |
1748 | pendings [pri][w_->pending - 1].w = w_; |
2043 | pendings [pri][w_->pending - 1].w = w_; |
1749 | pendings [pri][w_->pending - 1].events = revents; |
2044 | pendings [pri][w_->pending - 1].events = revents; |
1750 | } |
2045 | } |
1751 | |
2046 | |
1752 | pendingpri = NUMPRI - 1; |
2047 | pendingpri = NUMPRI - 1; |
1753 | } |
2048 | } |
1754 | |
2049 | |
1755 | inline_speed void |
2050 | inline_speed void |
1756 | feed_reverse (EV_P_ W w) |
2051 | feed_reverse (EV_P_ W w) |
1757 | { |
2052 | { |
1758 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2); |
2053 | array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit); |
1759 | rfeeds [rfeedcnt++] = w; |
2054 | rfeeds [rfeedcnt++] = w; |
1760 | } |
2055 | } |
1761 | |
2056 | |
1762 | inline_size void |
2057 | inline_size void |
1763 | feed_reverse_done (EV_P_ int revents) |
2058 | feed_reverse_done (EV_P_ int revents) |
… | |
… | |
1803 | if (expect_true (!anfd->reify)) |
2098 | if (expect_true (!anfd->reify)) |
1804 | fd_event_nocheck (EV_A_ fd, revents); |
2099 | fd_event_nocheck (EV_A_ fd, revents); |
1805 | } |
2100 | } |
1806 | |
2101 | |
1807 | void |
2102 | void |
1808 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW |
2103 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT |
1809 | { |
2104 | { |
1810 | if (fd >= 0 && fd < anfdmax) |
2105 | if (fd >= 0 && fd < anfdmax) |
1811 | fd_event_nocheck (EV_A_ fd, revents); |
2106 | fd_event_nocheck (EV_A_ fd, revents); |
1812 | } |
2107 | } |
1813 | |
2108 | |
… | |
… | |
1871 | |
2166 | |
1872 | fdchangecnt = 0; |
2167 | fdchangecnt = 0; |
1873 | } |
2168 | } |
1874 | |
2169 | |
1875 | /* something about the given fd changed */ |
2170 | /* something about the given fd changed */ |
1876 | inline_size void |
2171 | inline_size |
|
|
2172 | void |
1877 | fd_change (EV_P_ int fd, int flags) |
2173 | fd_change (EV_P_ int fd, int flags) |
1878 | { |
2174 | { |
1879 | unsigned char reify = anfds [fd].reify; |
2175 | unsigned char reify = anfds [fd].reify; |
1880 | anfds [fd].reify |= flags; |
2176 | anfds [fd].reify |= flags; |
1881 | |
2177 | |
1882 | if (expect_true (!reify)) |
2178 | if (expect_true (!reify)) |
1883 | { |
2179 | { |
1884 | ++fdchangecnt; |
2180 | ++fdchangecnt; |
1885 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
2181 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit); |
1886 | fdchanges [fdchangecnt - 1] = fd; |
2182 | fdchanges [fdchangecnt - 1] = fd; |
1887 | } |
2183 | } |
1888 | } |
2184 | } |
1889 | |
2185 | |
1890 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
2186 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
1891 | inline_speed void ecb_cold |
2187 | inline_speed ecb_cold void |
1892 | fd_kill (EV_P_ int fd) |
2188 | fd_kill (EV_P_ int fd) |
1893 | { |
2189 | { |
1894 | ev_io *w; |
2190 | ev_io *w; |
1895 | |
2191 | |
1896 | while ((w = (ev_io *)anfds [fd].head)) |
2192 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
1899 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
2195 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
1900 | } |
2196 | } |
1901 | } |
2197 | } |
1902 | |
2198 | |
1903 | /* check whether the given fd is actually valid, for error recovery */ |
2199 | /* check whether the given fd is actually valid, for error recovery */ |
1904 | inline_size int ecb_cold |
2200 | inline_size ecb_cold int |
1905 | fd_valid (int fd) |
2201 | fd_valid (int fd) |
1906 | { |
2202 | { |
1907 | #ifdef _WIN32 |
2203 | #ifdef _WIN32 |
1908 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
2204 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
1909 | #else |
2205 | #else |
1910 | return fcntl (fd, F_GETFD) != -1; |
2206 | return fcntl (fd, F_GETFD) != -1; |
1911 | #endif |
2207 | #endif |
1912 | } |
2208 | } |
1913 | |
2209 | |
1914 | /* called on EBADF to verify fds */ |
2210 | /* called on EBADF to verify fds */ |
1915 | static void noinline ecb_cold |
2211 | noinline ecb_cold |
|
|
2212 | static void |
1916 | fd_ebadf (EV_P) |
2213 | fd_ebadf (EV_P) |
1917 | { |
2214 | { |
1918 | int fd; |
2215 | int fd; |
1919 | |
2216 | |
1920 | for (fd = 0; fd < anfdmax; ++fd) |
2217 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
1922 | if (!fd_valid (fd) && errno == EBADF) |
2219 | if (!fd_valid (fd) && errno == EBADF) |
1923 | fd_kill (EV_A_ fd); |
2220 | fd_kill (EV_A_ fd); |
1924 | } |
2221 | } |
1925 | |
2222 | |
1926 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
2223 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
1927 | static void noinline ecb_cold |
2224 | noinline ecb_cold |
|
|
2225 | static void |
1928 | fd_enomem (EV_P) |
2226 | fd_enomem (EV_P) |
1929 | { |
2227 | { |
1930 | int fd; |
2228 | int fd; |
1931 | |
2229 | |
1932 | for (fd = anfdmax; fd--; ) |
2230 | for (fd = anfdmax; fd--; ) |
… | |
… | |
1936 | break; |
2234 | break; |
1937 | } |
2235 | } |
1938 | } |
2236 | } |
1939 | |
2237 | |
1940 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
2238 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
1941 | static void noinline |
2239 | noinline |
|
|
2240 | static void |
1942 | fd_rearm_all (EV_P) |
2241 | fd_rearm_all (EV_P) |
1943 | { |
2242 | { |
1944 | int fd; |
2243 | int fd; |
1945 | |
2244 | |
1946 | for (fd = 0; fd < anfdmax; ++fd) |
2245 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
2127 | |
2426 | |
2128 | /*****************************************************************************/ |
2427 | /*****************************************************************************/ |
2129 | |
2428 | |
2130 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2429 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2131 | |
2430 | |
2132 | static void noinline ecb_cold |
2431 | noinline ecb_cold |
|
|
2432 | static void |
2133 | evpipe_init (EV_P) |
2433 | evpipe_init (EV_P) |
2134 | { |
2434 | { |
2135 | if (!ev_is_active (&pipe_w)) |
2435 | if (!ev_is_active (&pipe_w)) |
2136 | { |
2436 | { |
2137 | int fds [2]; |
2437 | int fds [2]; |
… | |
… | |
2208 | #endif |
2508 | #endif |
2209 | { |
2509 | { |
2210 | #ifdef _WIN32 |
2510 | #ifdef _WIN32 |
2211 | WSABUF buf; |
2511 | WSABUF buf; |
2212 | DWORD sent; |
2512 | DWORD sent; |
2213 | buf.buf = &buf; |
2513 | buf.buf = (char *)&buf; |
2214 | buf.len = 1; |
2514 | buf.len = 1; |
2215 | WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); |
2515 | WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); |
2216 | #else |
2516 | #else |
2217 | write (evpipe [1], &(evpipe [1]), 1); |
2517 | write (evpipe [1], &(evpipe [1]), 1); |
2218 | #endif |
2518 | #endif |
… | |
… | |
2290 | } |
2590 | } |
2291 | |
2591 | |
2292 | /*****************************************************************************/ |
2592 | /*****************************************************************************/ |
2293 | |
2593 | |
2294 | void |
2594 | void |
2295 | ev_feed_signal (int signum) EV_THROW |
2595 | ev_feed_signal (int signum) EV_NOEXCEPT |
2296 | { |
2596 | { |
2297 | #if EV_MULTIPLICITY |
2597 | #if EV_MULTIPLICITY |
2298 | EV_P; |
2598 | EV_P; |
2299 | ECB_MEMORY_FENCE_ACQUIRE; |
2599 | ECB_MEMORY_FENCE_ACQUIRE; |
2300 | EV_A = signals [signum - 1].loop; |
2600 | EV_A = signals [signum - 1].loop; |
… | |
… | |
2315 | #endif |
2615 | #endif |
2316 | |
2616 | |
2317 | ev_feed_signal (signum); |
2617 | ev_feed_signal (signum); |
2318 | } |
2618 | } |
2319 | |
2619 | |
2320 | void noinline |
2620 | noinline |
|
|
2621 | void |
2321 | ev_feed_signal_event (EV_P_ int signum) EV_THROW |
2622 | ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT |
2322 | { |
2623 | { |
2323 | WL w; |
2624 | WL w; |
2324 | |
2625 | |
2325 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
2626 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
2326 | return; |
2627 | return; |
… | |
… | |
2435 | # include "ev_kqueue.c" |
2736 | # include "ev_kqueue.c" |
2436 | #endif |
2737 | #endif |
2437 | #if EV_USE_EPOLL |
2738 | #if EV_USE_EPOLL |
2438 | # include "ev_epoll.c" |
2739 | # include "ev_epoll.c" |
2439 | #endif |
2740 | #endif |
|
|
2741 | #if EV_USE_LINUXAIO |
|
|
2742 | # include "ev_linuxaio.c" |
|
|
2743 | #endif |
2440 | #if EV_USE_POLL |
2744 | #if EV_USE_POLL |
2441 | # include "ev_poll.c" |
2745 | # include "ev_poll.c" |
2442 | #endif |
2746 | #endif |
2443 | #if EV_USE_SELECT |
2747 | #if EV_USE_SELECT |
2444 | # include "ev_select.c" |
2748 | # include "ev_select.c" |
2445 | #endif |
2749 | #endif |
2446 | |
2750 | |
2447 | int ecb_cold |
2751 | ecb_cold int |
2448 | ev_version_major (void) EV_THROW |
2752 | ev_version_major (void) EV_NOEXCEPT |
2449 | { |
2753 | { |
2450 | return EV_VERSION_MAJOR; |
2754 | return EV_VERSION_MAJOR; |
2451 | } |
2755 | } |
2452 | |
2756 | |
2453 | int ecb_cold |
2757 | ecb_cold int |
2454 | ev_version_minor (void) EV_THROW |
2758 | ev_version_minor (void) EV_NOEXCEPT |
2455 | { |
2759 | { |
2456 | return EV_VERSION_MINOR; |
2760 | return EV_VERSION_MINOR; |
2457 | } |
2761 | } |
2458 | |
2762 | |
2459 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2763 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2460 | int inline_size ecb_cold |
2764 | inline_size ecb_cold int |
2461 | enable_secure (void) |
2765 | enable_secure (void) |
2462 | { |
2766 | { |
2463 | #ifdef _WIN32 |
2767 | #ifdef _WIN32 |
2464 | return 0; |
2768 | return 0; |
2465 | #else |
2769 | #else |
2466 | return getuid () != geteuid () |
2770 | return getuid () != geteuid () |
2467 | || getgid () != getegid (); |
2771 | || getgid () != getegid (); |
2468 | #endif |
2772 | #endif |
2469 | } |
2773 | } |
2470 | |
2774 | |
2471 | unsigned int ecb_cold |
2775 | ecb_cold |
|
|
2776 | unsigned int |
2472 | ev_supported_backends (void) EV_THROW |
2777 | ev_supported_backends (void) EV_NOEXCEPT |
2473 | { |
2778 | { |
2474 | unsigned int flags = 0; |
2779 | unsigned int flags = 0; |
2475 | |
2780 | |
2476 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2781 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2477 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
2782 | if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE; |
2478 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
2783 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
|
|
2784 | if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO; |
2479 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
2785 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
2480 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
2786 | if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT; |
2481 | |
2787 | |
2482 | return flags; |
2788 | return flags; |
2483 | } |
2789 | } |
2484 | |
2790 | |
2485 | unsigned int ecb_cold |
2791 | ecb_cold |
|
|
2792 | unsigned int |
2486 | ev_recommended_backends (void) EV_THROW |
2793 | ev_recommended_backends (void) EV_NOEXCEPT |
2487 | { |
2794 | { |
2488 | unsigned int flags = ev_supported_backends (); |
2795 | unsigned int flags = ev_supported_backends (); |
2489 | |
2796 | |
2490 | #ifndef __NetBSD__ |
2797 | #ifndef __NetBSD__ |
2491 | /* kqueue is borked on everything but netbsd apparently */ |
2798 | /* kqueue is borked on everything but netbsd apparently */ |
… | |
… | |
2499 | #endif |
2806 | #endif |
2500 | #ifdef __FreeBSD__ |
2807 | #ifdef __FreeBSD__ |
2501 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
2808 | flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */ |
2502 | #endif |
2809 | #endif |
2503 | |
2810 | |
|
|
2811 | /* TODO: linuxaio is very experimental */ |
|
|
2812 | flags &= ~EVBACKEND_LINUXAIO; |
|
|
2813 | |
2504 | return flags; |
2814 | return flags; |
2505 | } |
2815 | } |
2506 | |
2816 | |
2507 | unsigned int ecb_cold |
2817 | ecb_cold |
|
|
2818 | unsigned int |
2508 | ev_embeddable_backends (void) EV_THROW |
2819 | ev_embeddable_backends (void) EV_NOEXCEPT |
2509 | { |
2820 | { |
2510 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2821 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2511 | |
2822 | |
2512 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2823 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2513 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
2824 | if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ |
… | |
… | |
2515 | |
2826 | |
2516 | return flags; |
2827 | return flags; |
2517 | } |
2828 | } |
2518 | |
2829 | |
2519 | unsigned int |
2830 | unsigned int |
2520 | ev_backend (EV_P) EV_THROW |
2831 | ev_backend (EV_P) EV_NOEXCEPT |
2521 | { |
2832 | { |
2522 | return backend; |
2833 | return backend; |
2523 | } |
2834 | } |
2524 | |
2835 | |
2525 | #if EV_FEATURE_API |
2836 | #if EV_FEATURE_API |
2526 | unsigned int |
2837 | unsigned int |
2527 | ev_iteration (EV_P) EV_THROW |
2838 | ev_iteration (EV_P) EV_NOEXCEPT |
2528 | { |
2839 | { |
2529 | return loop_count; |
2840 | return loop_count; |
2530 | } |
2841 | } |
2531 | |
2842 | |
2532 | unsigned int |
2843 | unsigned int |
2533 | ev_depth (EV_P) EV_THROW |
2844 | ev_depth (EV_P) EV_NOEXCEPT |
2534 | { |
2845 | { |
2535 | return loop_depth; |
2846 | return loop_depth; |
2536 | } |
2847 | } |
2537 | |
2848 | |
2538 | void |
2849 | void |
2539 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2850 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT |
2540 | { |
2851 | { |
2541 | io_blocktime = interval; |
2852 | io_blocktime = interval; |
2542 | } |
2853 | } |
2543 | |
2854 | |
2544 | void |
2855 | void |
2545 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2856 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT |
2546 | { |
2857 | { |
2547 | timeout_blocktime = interval; |
2858 | timeout_blocktime = interval; |
2548 | } |
2859 | } |
2549 | |
2860 | |
2550 | void |
2861 | void |
2551 | ev_set_userdata (EV_P_ void *data) EV_THROW |
2862 | ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT |
2552 | { |
2863 | { |
2553 | userdata = data; |
2864 | userdata = data; |
2554 | } |
2865 | } |
2555 | |
2866 | |
2556 | void * |
2867 | void * |
2557 | ev_userdata (EV_P) EV_THROW |
2868 | ev_userdata (EV_P) EV_NOEXCEPT |
2558 | { |
2869 | { |
2559 | return userdata; |
2870 | return userdata; |
2560 | } |
2871 | } |
2561 | |
2872 | |
2562 | void |
2873 | void |
2563 | ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW |
2874 | ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT |
2564 | { |
2875 | { |
2565 | invoke_cb = invoke_pending_cb; |
2876 | invoke_cb = invoke_pending_cb; |
2566 | } |
2877 | } |
2567 | |
2878 | |
2568 | void |
2879 | void |
2569 | ev_set_loop_release_cb (EV_P_ ev_loop_callback_nothrow release, ev_loop_callback_nothrow acquire) EV_THROW |
2880 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT |
2570 | { |
2881 | { |
2571 | release_cb = release; |
2882 | release_cb = release; |
2572 | acquire_cb = acquire; |
2883 | acquire_cb = acquire; |
2573 | } |
2884 | } |
2574 | #endif |
2885 | #endif |
2575 | |
2886 | |
2576 | /* initialise a loop structure, must be zero-initialised */ |
2887 | /* initialise a loop structure, must be zero-initialised */ |
2577 | static void noinline ecb_cold |
2888 | noinline ecb_cold |
|
|
2889 | static void |
2578 | loop_init (EV_P_ unsigned int flags) EV_THROW |
2890 | loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT |
2579 | { |
2891 | { |
2580 | if (!backend) |
2892 | if (!backend) |
2581 | { |
2893 | { |
2582 | origflags = flags; |
2894 | origflags = flags; |
2583 | |
2895 | |
… | |
… | |
2641 | |
2953 | |
2642 | if (!(flags & EVBACKEND_MASK)) |
2954 | if (!(flags & EVBACKEND_MASK)) |
2643 | flags |= ev_recommended_backends (); |
2955 | flags |= ev_recommended_backends (); |
2644 | |
2956 | |
2645 | #if EV_USE_IOCP |
2957 | #if EV_USE_IOCP |
2646 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
2958 | if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags); |
2647 | #endif |
2959 | #endif |
2648 | #if EV_USE_PORT |
2960 | #if EV_USE_PORT |
2649 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
2961 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
2650 | #endif |
2962 | #endif |
2651 | #if EV_USE_KQUEUE |
2963 | #if EV_USE_KQUEUE |
2652 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
2964 | if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags); |
|
|
2965 | #endif |
|
|
2966 | #if EV_USE_LINUXAIO |
|
|
2967 | if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags); |
2653 | #endif |
2968 | #endif |
2654 | #if EV_USE_EPOLL |
2969 | #if EV_USE_EPOLL |
2655 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
2970 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
2656 | #endif |
2971 | #endif |
2657 | #if EV_USE_POLL |
2972 | #if EV_USE_POLL |
2658 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
2973 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
2659 | #endif |
2974 | #endif |
2660 | #if EV_USE_SELECT |
2975 | #if EV_USE_SELECT |
2661 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
2976 | if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags); |
2662 | #endif |
2977 | #endif |
2663 | |
2978 | |
2664 | ev_prepare_init (&pending_w, pendingcb); |
2979 | ev_prepare_init (&pending_w, pendingcb); |
2665 | |
2980 | |
2666 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2981 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
… | |
… | |
2669 | #endif |
2984 | #endif |
2670 | } |
2985 | } |
2671 | } |
2986 | } |
2672 | |
2987 | |
2673 | /* free up a loop structure */ |
2988 | /* free up a loop structure */ |
2674 | void ecb_cold |
2989 | ecb_cold |
|
|
2990 | void |
2675 | ev_loop_destroy (EV_P) |
2991 | ev_loop_destroy (EV_P) |
2676 | { |
2992 | { |
2677 | int i; |
2993 | int i; |
2678 | |
2994 | |
2679 | #if EV_MULTIPLICITY |
2995 | #if EV_MULTIPLICITY |
… | |
… | |
2720 | |
3036 | |
2721 | if (backend_fd >= 0) |
3037 | if (backend_fd >= 0) |
2722 | close (backend_fd); |
3038 | close (backend_fd); |
2723 | |
3039 | |
2724 | #if EV_USE_IOCP |
3040 | #if EV_USE_IOCP |
2725 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
3041 | if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A); |
2726 | #endif |
3042 | #endif |
2727 | #if EV_USE_PORT |
3043 | #if EV_USE_PORT |
2728 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
3044 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
2729 | #endif |
3045 | #endif |
2730 | #if EV_USE_KQUEUE |
3046 | #if EV_USE_KQUEUE |
2731 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
3047 | if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A); |
|
|
3048 | #endif |
|
|
3049 | #if EV_USE_LINUXAIO |
|
|
3050 | if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A); |
2732 | #endif |
3051 | #endif |
2733 | #if EV_USE_EPOLL |
3052 | #if EV_USE_EPOLL |
2734 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
3053 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
2735 | #endif |
3054 | #endif |
2736 | #if EV_USE_POLL |
3055 | #if EV_USE_POLL |
2737 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
3056 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
2738 | #endif |
3057 | #endif |
2739 | #if EV_USE_SELECT |
3058 | #if EV_USE_SELECT |
2740 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
3059 | if (backend == EVBACKEND_SELECT ) select_destroy (EV_A); |
2741 | #endif |
3060 | #endif |
2742 | |
3061 | |
2743 | for (i = NUMPRI; i--; ) |
3062 | for (i = NUMPRI; i--; ) |
2744 | { |
3063 | { |
2745 | array_free (pending, [i]); |
3064 | array_free (pending, [i]); |
… | |
… | |
2787 | |
3106 | |
2788 | inline_size void |
3107 | inline_size void |
2789 | loop_fork (EV_P) |
3108 | loop_fork (EV_P) |
2790 | { |
3109 | { |
2791 | #if EV_USE_PORT |
3110 | #if EV_USE_PORT |
2792 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
3111 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
2793 | #endif |
3112 | #endif |
2794 | #if EV_USE_KQUEUE |
3113 | #if EV_USE_KQUEUE |
2795 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
3114 | if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A); |
|
|
3115 | #endif |
|
|
3116 | #if EV_USE_LINUXAIO |
|
|
3117 | if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A); |
2796 | #endif |
3118 | #endif |
2797 | #if EV_USE_EPOLL |
3119 | #if EV_USE_EPOLL |
2798 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
3120 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
2799 | #endif |
3121 | #endif |
2800 | #if EV_USE_INOTIFY |
3122 | #if EV_USE_INOTIFY |
2801 | infy_fork (EV_A); |
3123 | infy_fork (EV_A); |
2802 | #endif |
3124 | #endif |
2803 | |
3125 | |
2804 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
3126 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2805 | if (ev_is_active (&pipe_w)) |
3127 | if (ev_is_active (&pipe_w) && postfork != 2) |
2806 | { |
3128 | { |
2807 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
3129 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
2808 | |
3130 | |
2809 | ev_ref (EV_A); |
3131 | ev_ref (EV_A); |
2810 | ev_io_stop (EV_A_ &pipe_w); |
3132 | ev_io_stop (EV_A_ &pipe_w); |
… | |
… | |
2821 | postfork = 0; |
3143 | postfork = 0; |
2822 | } |
3144 | } |
2823 | |
3145 | |
2824 | #if EV_MULTIPLICITY |
3146 | #if EV_MULTIPLICITY |
2825 | |
3147 | |
|
|
3148 | ecb_cold |
2826 | struct ev_loop * ecb_cold |
3149 | struct ev_loop * |
2827 | ev_loop_new (unsigned int flags) EV_THROW |
3150 | ev_loop_new (unsigned int flags) EV_NOEXCEPT |
2828 | { |
3151 | { |
2829 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
3152 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2830 | |
3153 | |
2831 | memset (EV_A, 0, sizeof (struct ev_loop)); |
3154 | memset (EV_A, 0, sizeof (struct ev_loop)); |
2832 | loop_init (EV_A_ flags); |
3155 | loop_init (EV_A_ flags); |
… | |
… | |
2839 | } |
3162 | } |
2840 | |
3163 | |
2841 | #endif /* multiplicity */ |
3164 | #endif /* multiplicity */ |
2842 | |
3165 | |
2843 | #if EV_VERIFY |
3166 | #if EV_VERIFY |
2844 | static void noinline ecb_cold |
3167 | noinline ecb_cold |
|
|
3168 | static void |
2845 | verify_watcher (EV_P_ W w) |
3169 | verify_watcher (EV_P_ W w) |
2846 | { |
3170 | { |
2847 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
3171 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
2848 | |
3172 | |
2849 | if (w->pending) |
3173 | if (w->pending) |
2850 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
3174 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
2851 | } |
3175 | } |
2852 | |
3176 | |
2853 | static void noinline ecb_cold |
3177 | noinline ecb_cold |
|
|
3178 | static void |
2854 | verify_heap (EV_P_ ANHE *heap, int N) |
3179 | verify_heap (EV_P_ ANHE *heap, int N) |
2855 | { |
3180 | { |
2856 | int i; |
3181 | int i; |
2857 | |
3182 | |
2858 | for (i = HEAP0; i < N + HEAP0; ++i) |
3183 | for (i = HEAP0; i < N + HEAP0; ++i) |
… | |
… | |
2863 | |
3188 | |
2864 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3189 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
2865 | } |
3190 | } |
2866 | } |
3191 | } |
2867 | |
3192 | |
2868 | static void noinline ecb_cold |
3193 | noinline ecb_cold |
|
|
3194 | static void |
2869 | array_verify (EV_P_ W *ws, int cnt) |
3195 | array_verify (EV_P_ W *ws, int cnt) |
2870 | { |
3196 | { |
2871 | while (cnt--) |
3197 | while (cnt--) |
2872 | { |
3198 | { |
2873 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
3199 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
… | |
… | |
2876 | } |
3202 | } |
2877 | #endif |
3203 | #endif |
2878 | |
3204 | |
2879 | #if EV_FEATURE_API |
3205 | #if EV_FEATURE_API |
2880 | void ecb_cold |
3206 | void ecb_cold |
2881 | ev_verify (EV_P) EV_THROW |
3207 | ev_verify (EV_P) EV_NOEXCEPT |
2882 | { |
3208 | { |
2883 | #if EV_VERIFY |
3209 | #if EV_VERIFY |
2884 | int i; |
3210 | int i; |
2885 | WL w, w2; |
3211 | WL w, w2; |
2886 | |
3212 | |
… | |
… | |
2962 | #endif |
3288 | #endif |
2963 | } |
3289 | } |
2964 | #endif |
3290 | #endif |
2965 | |
3291 | |
2966 | #if EV_MULTIPLICITY |
3292 | #if EV_MULTIPLICITY |
|
|
3293 | ecb_cold |
2967 | struct ev_loop * ecb_cold |
3294 | struct ev_loop * |
2968 | #else |
3295 | #else |
2969 | int |
3296 | int |
2970 | #endif |
3297 | #endif |
2971 | ev_default_loop (unsigned int flags) EV_THROW |
3298 | ev_default_loop (unsigned int flags) EV_NOEXCEPT |
2972 | { |
3299 | { |
2973 | if (!ev_default_loop_ptr) |
3300 | if (!ev_default_loop_ptr) |
2974 | { |
3301 | { |
2975 | #if EV_MULTIPLICITY |
3302 | #if EV_MULTIPLICITY |
2976 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
3303 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
2995 | |
3322 | |
2996 | return ev_default_loop_ptr; |
3323 | return ev_default_loop_ptr; |
2997 | } |
3324 | } |
2998 | |
3325 | |
2999 | void |
3326 | void |
3000 | ev_loop_fork (EV_P) EV_THROW |
3327 | ev_loop_fork (EV_P) EV_NOEXCEPT |
3001 | { |
3328 | { |
3002 | postfork = 1; |
3329 | postfork = 1; |
3003 | } |
3330 | } |
3004 | |
3331 | |
3005 | /*****************************************************************************/ |
3332 | /*****************************************************************************/ |
… | |
… | |
3009 | { |
3336 | { |
3010 | EV_CB_INVOKE ((W)w, revents); |
3337 | EV_CB_INVOKE ((W)w, revents); |
3011 | } |
3338 | } |
3012 | |
3339 | |
3013 | unsigned int |
3340 | unsigned int |
3014 | ev_pending_count (EV_P) EV_THROW |
3341 | ev_pending_count (EV_P) EV_NOEXCEPT |
3015 | { |
3342 | { |
3016 | int pri; |
3343 | int pri; |
3017 | unsigned int count = 0; |
3344 | unsigned int count = 0; |
3018 | |
3345 | |
3019 | for (pri = NUMPRI; pri--; ) |
3346 | for (pri = NUMPRI; pri--; ) |
3020 | count += pendingcnt [pri]; |
3347 | count += pendingcnt [pri]; |
3021 | |
3348 | |
3022 | return count; |
3349 | return count; |
3023 | } |
3350 | } |
3024 | |
3351 | |
3025 | void noinline |
3352 | noinline |
|
|
3353 | void |
3026 | ev_invoke_pending (EV_P) |
3354 | ev_invoke_pending (EV_P) |
3027 | { |
3355 | { |
3028 | pendingpri = NUMPRI; |
3356 | pendingpri = NUMPRI; |
3029 | |
3357 | |
3030 | while (pendingpri) /* pendingpri possibly gets modified in the inner loop */ |
3358 | do |
3031 | { |
3359 | { |
3032 | --pendingpri; |
3360 | --pendingpri; |
3033 | |
3361 | |
|
|
3362 | /* pendingpri possibly gets modified in the inner loop */ |
3034 | while (pendingcnt [pendingpri]) |
3363 | while (pendingcnt [pendingpri]) |
3035 | { |
3364 | { |
3036 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
3365 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
3037 | |
3366 | |
3038 | p->w->pending = 0; |
3367 | p->w->pending = 0; |
3039 | EV_CB_INVOKE (p->w, p->events); |
3368 | EV_CB_INVOKE (p->w, p->events); |
3040 | EV_FREQUENT_CHECK; |
3369 | EV_FREQUENT_CHECK; |
3041 | } |
3370 | } |
3042 | } |
3371 | } |
|
|
3372 | while (pendingpri); |
3043 | } |
3373 | } |
3044 | |
3374 | |
3045 | #if EV_IDLE_ENABLE |
3375 | #if EV_IDLE_ENABLE |
3046 | /* make idle watchers pending. this handles the "call-idle */ |
3376 | /* make idle watchers pending. this handles the "call-idle */ |
3047 | /* only when higher priorities are idle" logic */ |
3377 | /* only when higher priorities are idle" logic */ |
… | |
… | |
3105 | } |
3435 | } |
3106 | } |
3436 | } |
3107 | |
3437 | |
3108 | #if EV_PERIODIC_ENABLE |
3438 | #if EV_PERIODIC_ENABLE |
3109 | |
3439 | |
3110 | static void noinline |
3440 | noinline |
|
|
3441 | static void |
3111 | periodic_recalc (EV_P_ ev_periodic *w) |
3442 | periodic_recalc (EV_P_ ev_periodic *w) |
3112 | { |
3443 | { |
3113 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3444 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3114 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
3445 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
3115 | |
3446 | |
… | |
… | |
3173 | } |
3504 | } |
3174 | } |
3505 | } |
3175 | |
3506 | |
3176 | /* simply recalculate all periodics */ |
3507 | /* simply recalculate all periodics */ |
3177 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3508 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3178 | static void noinline ecb_cold |
3509 | noinline ecb_cold |
|
|
3510 | static void |
3179 | periodics_reschedule (EV_P) |
3511 | periodics_reschedule (EV_P) |
3180 | { |
3512 | { |
3181 | int i; |
3513 | int i; |
3182 | |
3514 | |
3183 | /* adjust periodics after time jump */ |
3515 | /* adjust periodics after time jump */ |
… | |
… | |
3196 | reheap (periodics, periodiccnt); |
3528 | reheap (periodics, periodiccnt); |
3197 | } |
3529 | } |
3198 | #endif |
3530 | #endif |
3199 | |
3531 | |
3200 | /* adjust all timers by a given offset */ |
3532 | /* adjust all timers by a given offset */ |
3201 | static void noinline ecb_cold |
3533 | noinline ecb_cold |
|
|
3534 | static void |
3202 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3535 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3203 | { |
3536 | { |
3204 | int i; |
3537 | int i; |
3205 | |
3538 | |
3206 | for (i = 0; i < timercnt; ++i) |
3539 | for (i = 0; i < timercnt; ++i) |
… | |
… | |
3453 | |
3786 | |
3454 | return activecnt; |
3787 | return activecnt; |
3455 | } |
3788 | } |
3456 | |
3789 | |
3457 | void |
3790 | void |
3458 | ev_break (EV_P_ int how) EV_THROW |
3791 | ev_break (EV_P_ int how) EV_NOEXCEPT |
3459 | { |
3792 | { |
3460 | loop_done = how; |
3793 | loop_done = how; |
3461 | } |
3794 | } |
3462 | |
3795 | |
3463 | void |
3796 | void |
3464 | ev_ref (EV_P) EV_THROW |
3797 | ev_ref (EV_P) EV_NOEXCEPT |
3465 | { |
3798 | { |
3466 | ++activecnt; |
3799 | ++activecnt; |
3467 | } |
3800 | } |
3468 | |
3801 | |
3469 | void |
3802 | void |
3470 | ev_unref (EV_P) EV_THROW |
3803 | ev_unref (EV_P) EV_NOEXCEPT |
3471 | { |
3804 | { |
3472 | --activecnt; |
3805 | --activecnt; |
3473 | } |
3806 | } |
3474 | |
3807 | |
3475 | void |
3808 | void |
3476 | ev_now_update (EV_P) EV_THROW |
3809 | ev_now_update (EV_P) EV_NOEXCEPT |
3477 | { |
3810 | { |
3478 | time_update (EV_A_ 1e100); |
3811 | time_update (EV_A_ 1e100); |
3479 | } |
3812 | } |
3480 | |
3813 | |
3481 | void |
3814 | void |
3482 | ev_suspend (EV_P) EV_THROW |
3815 | ev_suspend (EV_P) EV_NOEXCEPT |
3483 | { |
3816 | { |
3484 | ev_now_update (EV_A); |
3817 | ev_now_update (EV_A); |
3485 | } |
3818 | } |
3486 | |
3819 | |
3487 | void |
3820 | void |
3488 | ev_resume (EV_P) EV_THROW |
3821 | ev_resume (EV_P) EV_NOEXCEPT |
3489 | { |
3822 | { |
3490 | ev_tstamp mn_prev = mn_now; |
3823 | ev_tstamp mn_prev = mn_now; |
3491 | |
3824 | |
3492 | ev_now_update (EV_A); |
3825 | ev_now_update (EV_A); |
3493 | timers_reschedule (EV_A_ mn_now - mn_prev); |
3826 | timers_reschedule (EV_A_ mn_now - mn_prev); |
… | |
… | |
3532 | w->pending = 0; |
3865 | w->pending = 0; |
3533 | } |
3866 | } |
3534 | } |
3867 | } |
3535 | |
3868 | |
3536 | int |
3869 | int |
3537 | ev_clear_pending (EV_P_ void *w) EV_THROW |
3870 | ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT |
3538 | { |
3871 | { |
3539 | W w_ = (W)w; |
3872 | W w_ = (W)w; |
3540 | int pending = w_->pending; |
3873 | int pending = w_->pending; |
3541 | |
3874 | |
3542 | if (expect_true (pending)) |
3875 | if (expect_true (pending)) |
… | |
… | |
3574 | w->active = 0; |
3907 | w->active = 0; |
3575 | } |
3908 | } |
3576 | |
3909 | |
3577 | /*****************************************************************************/ |
3910 | /*****************************************************************************/ |
3578 | |
3911 | |
3579 | void noinline |
3912 | noinline |
|
|
3913 | void |
3580 | ev_io_start (EV_P_ ev_io *w) EV_THROW |
3914 | ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT |
3581 | { |
3915 | { |
3582 | int fd = w->fd; |
3916 | int fd = w->fd; |
3583 | |
3917 | |
3584 | if (expect_false (ev_is_active (w))) |
3918 | if (expect_false (ev_is_active (w))) |
3585 | return; |
3919 | return; |
… | |
… | |
3588 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
3922 | assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE)))); |
3589 | |
3923 | |
3590 | EV_FREQUENT_CHECK; |
3924 | EV_FREQUENT_CHECK; |
3591 | |
3925 | |
3592 | ev_start (EV_A_ (W)w, 1); |
3926 | ev_start (EV_A_ (W)w, 1); |
3593 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero); |
3927 | array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill); |
3594 | wlist_add (&anfds[fd].head, (WL)w); |
3928 | wlist_add (&anfds[fd].head, (WL)w); |
3595 | |
3929 | |
3596 | /* common bug, apparently */ |
3930 | /* common bug, apparently */ |
3597 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
3931 | assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w)); |
3598 | |
3932 | |
… | |
… | |
3600 | w->events &= ~EV__IOFDSET; |
3934 | w->events &= ~EV__IOFDSET; |
3601 | |
3935 | |
3602 | EV_FREQUENT_CHECK; |
3936 | EV_FREQUENT_CHECK; |
3603 | } |
3937 | } |
3604 | |
3938 | |
3605 | void noinline |
3939 | noinline |
|
|
3940 | void |
3606 | ev_io_stop (EV_P_ ev_io *w) EV_THROW |
3941 | ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT |
3607 | { |
3942 | { |
3608 | clear_pending (EV_A_ (W)w); |
3943 | clear_pending (EV_A_ (W)w); |
3609 | if (expect_false (!ev_is_active (w))) |
3944 | if (expect_false (!ev_is_active (w))) |
3610 | return; |
3945 | return; |
3611 | |
3946 | |
… | |
… | |
3619 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
3954 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
3620 | |
3955 | |
3621 | EV_FREQUENT_CHECK; |
3956 | EV_FREQUENT_CHECK; |
3622 | } |
3957 | } |
3623 | |
3958 | |
3624 | void noinline |
3959 | noinline |
|
|
3960 | void |
3625 | ev_timer_start (EV_P_ ev_timer *w) EV_THROW |
3961 | ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT |
3626 | { |
3962 | { |
3627 | if (expect_false (ev_is_active (w))) |
3963 | if (expect_false (ev_is_active (w))) |
3628 | return; |
3964 | return; |
3629 | |
3965 | |
3630 | ev_at (w) += mn_now; |
3966 | ev_at (w) += mn_now; |
… | |
… | |
3633 | |
3969 | |
3634 | EV_FREQUENT_CHECK; |
3970 | EV_FREQUENT_CHECK; |
3635 | |
3971 | |
3636 | ++timercnt; |
3972 | ++timercnt; |
3637 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
3973 | ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1); |
3638 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2); |
3974 | array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit); |
3639 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
3975 | ANHE_w (timers [ev_active (w)]) = (WT)w; |
3640 | ANHE_at_cache (timers [ev_active (w)]); |
3976 | ANHE_at_cache (timers [ev_active (w)]); |
3641 | upheap (timers, ev_active (w)); |
3977 | upheap (timers, ev_active (w)); |
3642 | |
3978 | |
3643 | EV_FREQUENT_CHECK; |
3979 | EV_FREQUENT_CHECK; |
3644 | |
3980 | |
3645 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3981 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3646 | } |
3982 | } |
3647 | |
3983 | |
3648 | void noinline |
3984 | noinline |
|
|
3985 | void |
3649 | ev_timer_stop (EV_P_ ev_timer *w) EV_THROW |
3986 | ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT |
3650 | { |
3987 | { |
3651 | clear_pending (EV_A_ (W)w); |
3988 | clear_pending (EV_A_ (W)w); |
3652 | if (expect_false (!ev_is_active (w))) |
3989 | if (expect_false (!ev_is_active (w))) |
3653 | return; |
3990 | return; |
3654 | |
3991 | |
… | |
… | |
3673 | ev_stop (EV_A_ (W)w); |
4010 | ev_stop (EV_A_ (W)w); |
3674 | |
4011 | |
3675 | EV_FREQUENT_CHECK; |
4012 | EV_FREQUENT_CHECK; |
3676 | } |
4013 | } |
3677 | |
4014 | |
3678 | void noinline |
4015 | noinline |
|
|
4016 | void |
3679 | ev_timer_again (EV_P_ ev_timer *w) EV_THROW |
4017 | ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT |
3680 | { |
4018 | { |
3681 | EV_FREQUENT_CHECK; |
4019 | EV_FREQUENT_CHECK; |
3682 | |
4020 | |
3683 | clear_pending (EV_A_ (W)w); |
4021 | clear_pending (EV_A_ (W)w); |
3684 | |
4022 | |
… | |
… | |
3701 | |
4039 | |
3702 | EV_FREQUENT_CHECK; |
4040 | EV_FREQUENT_CHECK; |
3703 | } |
4041 | } |
3704 | |
4042 | |
3705 | ev_tstamp |
4043 | ev_tstamp |
3706 | ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW |
4044 | ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT |
3707 | { |
4045 | { |
3708 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
4046 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
3709 | } |
4047 | } |
3710 | |
4048 | |
3711 | #if EV_PERIODIC_ENABLE |
4049 | #if EV_PERIODIC_ENABLE |
3712 | void noinline |
4050 | noinline |
|
|
4051 | void |
3713 | ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW |
4052 | ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT |
3714 | { |
4053 | { |
3715 | if (expect_false (ev_is_active (w))) |
4054 | if (expect_false (ev_is_active (w))) |
3716 | return; |
4055 | return; |
3717 | |
4056 | |
3718 | if (w->reschedule_cb) |
4057 | if (w->reschedule_cb) |
… | |
… | |
3727 | |
4066 | |
3728 | EV_FREQUENT_CHECK; |
4067 | EV_FREQUENT_CHECK; |
3729 | |
4068 | |
3730 | ++periodiccnt; |
4069 | ++periodiccnt; |
3731 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
4070 | ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1); |
3732 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2); |
4071 | array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit); |
3733 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
4072 | ANHE_w (periodics [ev_active (w)]) = (WT)w; |
3734 | ANHE_at_cache (periodics [ev_active (w)]); |
4073 | ANHE_at_cache (periodics [ev_active (w)]); |
3735 | upheap (periodics, ev_active (w)); |
4074 | upheap (periodics, ev_active (w)); |
3736 | |
4075 | |
3737 | EV_FREQUENT_CHECK; |
4076 | EV_FREQUENT_CHECK; |
3738 | |
4077 | |
3739 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
4078 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
3740 | } |
4079 | } |
3741 | |
4080 | |
3742 | void noinline |
4081 | noinline |
|
|
4082 | void |
3743 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW |
4083 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT |
3744 | { |
4084 | { |
3745 | clear_pending (EV_A_ (W)w); |
4085 | clear_pending (EV_A_ (W)w); |
3746 | if (expect_false (!ev_is_active (w))) |
4086 | if (expect_false (!ev_is_active (w))) |
3747 | return; |
4087 | return; |
3748 | |
4088 | |
… | |
… | |
3765 | ev_stop (EV_A_ (W)w); |
4105 | ev_stop (EV_A_ (W)w); |
3766 | |
4106 | |
3767 | EV_FREQUENT_CHECK; |
4107 | EV_FREQUENT_CHECK; |
3768 | } |
4108 | } |
3769 | |
4109 | |
3770 | void noinline |
4110 | noinline |
|
|
4111 | void |
3771 | ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW |
4112 | ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT |
3772 | { |
4113 | { |
3773 | /* TODO: use adjustheap and recalculation */ |
4114 | /* TODO: use adjustheap and recalculation */ |
3774 | ev_periodic_stop (EV_A_ w); |
4115 | ev_periodic_stop (EV_A_ w); |
3775 | ev_periodic_start (EV_A_ w); |
4116 | ev_periodic_start (EV_A_ w); |
3776 | } |
4117 | } |
… | |
… | |
3780 | # define SA_RESTART 0 |
4121 | # define SA_RESTART 0 |
3781 | #endif |
4122 | #endif |
3782 | |
4123 | |
3783 | #if EV_SIGNAL_ENABLE |
4124 | #if EV_SIGNAL_ENABLE |
3784 | |
4125 | |
3785 | void noinline |
4126 | noinline |
|
|
4127 | void |
3786 | ev_signal_start (EV_P_ ev_signal *w) EV_THROW |
4128 | ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT |
3787 | { |
4129 | { |
3788 | if (expect_false (ev_is_active (w))) |
4130 | if (expect_false (ev_is_active (w))) |
3789 | return; |
4131 | return; |
3790 | |
4132 | |
3791 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
4133 | assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); |
… | |
… | |
3862 | } |
4204 | } |
3863 | |
4205 | |
3864 | EV_FREQUENT_CHECK; |
4206 | EV_FREQUENT_CHECK; |
3865 | } |
4207 | } |
3866 | |
4208 | |
3867 | void noinline |
4209 | noinline |
|
|
4210 | void |
3868 | ev_signal_stop (EV_P_ ev_signal *w) EV_THROW |
4211 | ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT |
3869 | { |
4212 | { |
3870 | clear_pending (EV_A_ (W)w); |
4213 | clear_pending (EV_A_ (W)w); |
3871 | if (expect_false (!ev_is_active (w))) |
4214 | if (expect_false (!ev_is_active (w))) |
3872 | return; |
4215 | return; |
3873 | |
4216 | |
… | |
… | |
3904 | #endif |
4247 | #endif |
3905 | |
4248 | |
3906 | #if EV_CHILD_ENABLE |
4249 | #if EV_CHILD_ENABLE |
3907 | |
4250 | |
3908 | void |
4251 | void |
3909 | ev_child_start (EV_P_ ev_child *w) EV_THROW |
4252 | ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT |
3910 | { |
4253 | { |
3911 | #if EV_MULTIPLICITY |
4254 | #if EV_MULTIPLICITY |
3912 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
4255 | assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
3913 | #endif |
4256 | #endif |
3914 | if (expect_false (ev_is_active (w))) |
4257 | if (expect_false (ev_is_active (w))) |
… | |
… | |
3921 | |
4264 | |
3922 | EV_FREQUENT_CHECK; |
4265 | EV_FREQUENT_CHECK; |
3923 | } |
4266 | } |
3924 | |
4267 | |
3925 | void |
4268 | void |
3926 | ev_child_stop (EV_P_ ev_child *w) EV_THROW |
4269 | ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT |
3927 | { |
4270 | { |
3928 | clear_pending (EV_A_ (W)w); |
4271 | clear_pending (EV_A_ (W)w); |
3929 | if (expect_false (!ev_is_active (w))) |
4272 | if (expect_false (!ev_is_active (w))) |
3930 | return; |
4273 | return; |
3931 | |
4274 | |
… | |
… | |
3948 | |
4291 | |
3949 | #define DEF_STAT_INTERVAL 5.0074891 |
4292 | #define DEF_STAT_INTERVAL 5.0074891 |
3950 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4293 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
3951 | #define MIN_STAT_INTERVAL 0.1074891 |
4294 | #define MIN_STAT_INTERVAL 0.1074891 |
3952 | |
4295 | |
3953 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4296 | noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
3954 | |
4297 | |
3955 | #if EV_USE_INOTIFY |
4298 | #if EV_USE_INOTIFY |
3956 | |
4299 | |
3957 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
4300 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
3958 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4301 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
3959 | |
4302 | |
3960 | static void noinline |
4303 | noinline |
|
|
4304 | static void |
3961 | infy_add (EV_P_ ev_stat *w) |
4305 | infy_add (EV_P_ ev_stat *w) |
3962 | { |
4306 | { |
3963 | w->wd = inotify_add_watch (fs_fd, w->path, |
4307 | w->wd = inotify_add_watch (fs_fd, w->path, |
3964 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
4308 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
3965 | | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO |
4309 | | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO |
… | |
… | |
4029 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4373 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4030 | ev_timer_again (EV_A_ &w->timer); |
4374 | ev_timer_again (EV_A_ &w->timer); |
4031 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4375 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4032 | } |
4376 | } |
4033 | |
4377 | |
4034 | static void noinline |
4378 | noinline |
|
|
4379 | static void |
4035 | infy_del (EV_P_ ev_stat *w) |
4380 | infy_del (EV_P_ ev_stat *w) |
4036 | { |
4381 | { |
4037 | int slot; |
4382 | int slot; |
4038 | int wd = w->wd; |
4383 | int wd = w->wd; |
4039 | |
4384 | |
… | |
… | |
4046 | |
4391 | |
4047 | /* remove this watcher, if others are watching it, they will rearm */ |
4392 | /* remove this watcher, if others are watching it, they will rearm */ |
4048 | inotify_rm_watch (fs_fd, wd); |
4393 | inotify_rm_watch (fs_fd, wd); |
4049 | } |
4394 | } |
4050 | |
4395 | |
4051 | static void noinline |
4396 | noinline |
|
|
4397 | static void |
4052 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4398 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4053 | { |
4399 | { |
4054 | if (slot < 0) |
4400 | if (slot < 0) |
4055 | /* overflow, need to check for all hash slots */ |
4401 | /* overflow, need to check for all hash slots */ |
4056 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
4402 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
… | |
… | |
4092 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
4438 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
4093 | ofs += sizeof (struct inotify_event) + ev->len; |
4439 | ofs += sizeof (struct inotify_event) + ev->len; |
4094 | } |
4440 | } |
4095 | } |
4441 | } |
4096 | |
4442 | |
4097 | inline_size void ecb_cold |
4443 | inline_size ecb_cold |
|
|
4444 | void |
4098 | ev_check_2625 (EV_P) |
4445 | ev_check_2625 (EV_P) |
4099 | { |
4446 | { |
4100 | /* kernels < 2.6.25 are borked |
4447 | /* kernels < 2.6.25 are borked |
4101 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
4448 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
4102 | */ |
4449 | */ |
… | |
… | |
4192 | #else |
4539 | #else |
4193 | # define EV_LSTAT(p,b) lstat (p, b) |
4540 | # define EV_LSTAT(p,b) lstat (p, b) |
4194 | #endif |
4541 | #endif |
4195 | |
4542 | |
4196 | void |
4543 | void |
4197 | ev_stat_stat (EV_P_ ev_stat *w) EV_THROW |
4544 | ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT |
4198 | { |
4545 | { |
4199 | if (lstat (w->path, &w->attr) < 0) |
4546 | if (lstat (w->path, &w->attr) < 0) |
4200 | w->attr.st_nlink = 0; |
4547 | w->attr.st_nlink = 0; |
4201 | else if (!w->attr.st_nlink) |
4548 | else if (!w->attr.st_nlink) |
4202 | w->attr.st_nlink = 1; |
4549 | w->attr.st_nlink = 1; |
4203 | } |
4550 | } |
4204 | |
4551 | |
4205 | static void noinline |
4552 | noinline |
|
|
4553 | static void |
4206 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4554 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4207 | { |
4555 | { |
4208 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4556 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4209 | |
4557 | |
4210 | ev_statdata prev = w->attr; |
4558 | ev_statdata prev = w->attr; |
… | |
… | |
4241 | ev_feed_event (EV_A_ w, EV_STAT); |
4589 | ev_feed_event (EV_A_ w, EV_STAT); |
4242 | } |
4590 | } |
4243 | } |
4591 | } |
4244 | |
4592 | |
4245 | void |
4593 | void |
4246 | ev_stat_start (EV_P_ ev_stat *w) EV_THROW |
4594 | ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT |
4247 | { |
4595 | { |
4248 | if (expect_false (ev_is_active (w))) |
4596 | if (expect_false (ev_is_active (w))) |
4249 | return; |
4597 | return; |
4250 | |
4598 | |
4251 | ev_stat_stat (EV_A_ w); |
4599 | ev_stat_stat (EV_A_ w); |
… | |
… | |
4272 | |
4620 | |
4273 | EV_FREQUENT_CHECK; |
4621 | EV_FREQUENT_CHECK; |
4274 | } |
4622 | } |
4275 | |
4623 | |
4276 | void |
4624 | void |
4277 | ev_stat_stop (EV_P_ ev_stat *w) EV_THROW |
4625 | ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT |
4278 | { |
4626 | { |
4279 | clear_pending (EV_A_ (W)w); |
4627 | clear_pending (EV_A_ (W)w); |
4280 | if (expect_false (!ev_is_active (w))) |
4628 | if (expect_false (!ev_is_active (w))) |
4281 | return; |
4629 | return; |
4282 | |
4630 | |
… | |
… | |
4298 | } |
4646 | } |
4299 | #endif |
4647 | #endif |
4300 | |
4648 | |
4301 | #if EV_IDLE_ENABLE |
4649 | #if EV_IDLE_ENABLE |
4302 | void |
4650 | void |
4303 | ev_idle_start (EV_P_ ev_idle *w) EV_THROW |
4651 | ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT |
4304 | { |
4652 | { |
4305 | if (expect_false (ev_is_active (w))) |
4653 | if (expect_false (ev_is_active (w))) |
4306 | return; |
4654 | return; |
4307 | |
4655 | |
4308 | pri_adjust (EV_A_ (W)w); |
4656 | pri_adjust (EV_A_ (W)w); |
… | |
… | |
4313 | int active = ++idlecnt [ABSPRI (w)]; |
4661 | int active = ++idlecnt [ABSPRI (w)]; |
4314 | |
4662 | |
4315 | ++idleall; |
4663 | ++idleall; |
4316 | ev_start (EV_A_ (W)w, active); |
4664 | ev_start (EV_A_ (W)w, active); |
4317 | |
4665 | |
4318 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
4666 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit); |
4319 | idles [ABSPRI (w)][active - 1] = w; |
4667 | idles [ABSPRI (w)][active - 1] = w; |
4320 | } |
4668 | } |
4321 | |
4669 | |
4322 | EV_FREQUENT_CHECK; |
4670 | EV_FREQUENT_CHECK; |
4323 | } |
4671 | } |
4324 | |
4672 | |
4325 | void |
4673 | void |
4326 | ev_idle_stop (EV_P_ ev_idle *w) EV_THROW |
4674 | ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT |
4327 | { |
4675 | { |
4328 | clear_pending (EV_A_ (W)w); |
4676 | clear_pending (EV_A_ (W)w); |
4329 | if (expect_false (!ev_is_active (w))) |
4677 | if (expect_false (!ev_is_active (w))) |
4330 | return; |
4678 | return; |
4331 | |
4679 | |
… | |
… | |
4345 | } |
4693 | } |
4346 | #endif |
4694 | #endif |
4347 | |
4695 | |
4348 | #if EV_PREPARE_ENABLE |
4696 | #if EV_PREPARE_ENABLE |
4349 | void |
4697 | void |
4350 | ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW |
4698 | ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4351 | { |
4699 | { |
4352 | if (expect_false (ev_is_active (w))) |
4700 | if (expect_false (ev_is_active (w))) |
4353 | return; |
4701 | return; |
4354 | |
4702 | |
4355 | EV_FREQUENT_CHECK; |
4703 | EV_FREQUENT_CHECK; |
4356 | |
4704 | |
4357 | ev_start (EV_A_ (W)w, ++preparecnt); |
4705 | ev_start (EV_A_ (W)w, ++preparecnt); |
4358 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
4706 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit); |
4359 | prepares [preparecnt - 1] = w; |
4707 | prepares [preparecnt - 1] = w; |
4360 | |
4708 | |
4361 | EV_FREQUENT_CHECK; |
4709 | EV_FREQUENT_CHECK; |
4362 | } |
4710 | } |
4363 | |
4711 | |
4364 | void |
4712 | void |
4365 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW |
4713 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4366 | { |
4714 | { |
4367 | clear_pending (EV_A_ (W)w); |
4715 | clear_pending (EV_A_ (W)w); |
4368 | if (expect_false (!ev_is_active (w))) |
4716 | if (expect_false (!ev_is_active (w))) |
4369 | return; |
4717 | return; |
4370 | |
4718 | |
… | |
… | |
4383 | } |
4731 | } |
4384 | #endif |
4732 | #endif |
4385 | |
4733 | |
4386 | #if EV_CHECK_ENABLE |
4734 | #if EV_CHECK_ENABLE |
4387 | void |
4735 | void |
4388 | ev_check_start (EV_P_ ev_check *w) EV_THROW |
4736 | ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT |
4389 | { |
4737 | { |
4390 | if (expect_false (ev_is_active (w))) |
4738 | if (expect_false (ev_is_active (w))) |
4391 | return; |
4739 | return; |
4392 | |
4740 | |
4393 | EV_FREQUENT_CHECK; |
4741 | EV_FREQUENT_CHECK; |
4394 | |
4742 | |
4395 | ev_start (EV_A_ (W)w, ++checkcnt); |
4743 | ev_start (EV_A_ (W)w, ++checkcnt); |
4396 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
4744 | array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit); |
4397 | checks [checkcnt - 1] = w; |
4745 | checks [checkcnt - 1] = w; |
4398 | |
4746 | |
4399 | EV_FREQUENT_CHECK; |
4747 | EV_FREQUENT_CHECK; |
4400 | } |
4748 | } |
4401 | |
4749 | |
4402 | void |
4750 | void |
4403 | ev_check_stop (EV_P_ ev_check *w) EV_THROW |
4751 | ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT |
4404 | { |
4752 | { |
4405 | clear_pending (EV_A_ (W)w); |
4753 | clear_pending (EV_A_ (W)w); |
4406 | if (expect_false (!ev_is_active (w))) |
4754 | if (expect_false (!ev_is_active (w))) |
4407 | return; |
4755 | return; |
4408 | |
4756 | |
… | |
… | |
4420 | EV_FREQUENT_CHECK; |
4768 | EV_FREQUENT_CHECK; |
4421 | } |
4769 | } |
4422 | #endif |
4770 | #endif |
4423 | |
4771 | |
4424 | #if EV_EMBED_ENABLE |
4772 | #if EV_EMBED_ENABLE |
4425 | void noinline |
4773 | noinline |
|
|
4774 | void |
4426 | ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW |
4775 | ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT |
4427 | { |
4776 | { |
4428 | ev_run (w->other, EVRUN_NOWAIT); |
4777 | ev_run (w->other, EVRUN_NOWAIT); |
4429 | } |
4778 | } |
4430 | |
4779 | |
4431 | static void |
4780 | static void |
… | |
… | |
4479 | ev_idle_stop (EV_A_ idle); |
4828 | ev_idle_stop (EV_A_ idle); |
4480 | } |
4829 | } |
4481 | #endif |
4830 | #endif |
4482 | |
4831 | |
4483 | void |
4832 | void |
4484 | ev_embed_start (EV_P_ ev_embed *w) EV_THROW |
4833 | ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT |
4485 | { |
4834 | { |
4486 | if (expect_false (ev_is_active (w))) |
4835 | if (expect_false (ev_is_active (w))) |
4487 | return; |
4836 | return; |
4488 | |
4837 | |
4489 | { |
4838 | { |
… | |
… | |
4510 | |
4859 | |
4511 | EV_FREQUENT_CHECK; |
4860 | EV_FREQUENT_CHECK; |
4512 | } |
4861 | } |
4513 | |
4862 | |
4514 | void |
4863 | void |
4515 | ev_embed_stop (EV_P_ ev_embed *w) EV_THROW |
4864 | ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT |
4516 | { |
4865 | { |
4517 | clear_pending (EV_A_ (W)w); |
4866 | clear_pending (EV_A_ (W)w); |
4518 | if (expect_false (!ev_is_active (w))) |
4867 | if (expect_false (!ev_is_active (w))) |
4519 | return; |
4868 | return; |
4520 | |
4869 | |
… | |
… | |
4530 | } |
4879 | } |
4531 | #endif |
4880 | #endif |
4532 | |
4881 | |
4533 | #if EV_FORK_ENABLE |
4882 | #if EV_FORK_ENABLE |
4534 | void |
4883 | void |
4535 | ev_fork_start (EV_P_ ev_fork *w) EV_THROW |
4884 | ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT |
4536 | { |
4885 | { |
4537 | if (expect_false (ev_is_active (w))) |
4886 | if (expect_false (ev_is_active (w))) |
4538 | return; |
4887 | return; |
4539 | |
4888 | |
4540 | EV_FREQUENT_CHECK; |
4889 | EV_FREQUENT_CHECK; |
4541 | |
4890 | |
4542 | ev_start (EV_A_ (W)w, ++forkcnt); |
4891 | ev_start (EV_A_ (W)w, ++forkcnt); |
4543 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
4892 | array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit); |
4544 | forks [forkcnt - 1] = w; |
4893 | forks [forkcnt - 1] = w; |
4545 | |
4894 | |
4546 | EV_FREQUENT_CHECK; |
4895 | EV_FREQUENT_CHECK; |
4547 | } |
4896 | } |
4548 | |
4897 | |
4549 | void |
4898 | void |
4550 | ev_fork_stop (EV_P_ ev_fork *w) EV_THROW |
4899 | ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT |
4551 | { |
4900 | { |
4552 | clear_pending (EV_A_ (W)w); |
4901 | clear_pending (EV_A_ (W)w); |
4553 | if (expect_false (!ev_is_active (w))) |
4902 | if (expect_false (!ev_is_active (w))) |
4554 | return; |
4903 | return; |
4555 | |
4904 | |
… | |
… | |
4568 | } |
4917 | } |
4569 | #endif |
4918 | #endif |
4570 | |
4919 | |
4571 | #if EV_CLEANUP_ENABLE |
4920 | #if EV_CLEANUP_ENABLE |
4572 | void |
4921 | void |
4573 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW |
4922 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4574 | { |
4923 | { |
4575 | if (expect_false (ev_is_active (w))) |
4924 | if (expect_false (ev_is_active (w))) |
4576 | return; |
4925 | return; |
4577 | |
4926 | |
4578 | EV_FREQUENT_CHECK; |
4927 | EV_FREQUENT_CHECK; |
4579 | |
4928 | |
4580 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
4929 | ev_start (EV_A_ (W)w, ++cleanupcnt); |
4581 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2); |
4930 | array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit); |
4582 | cleanups [cleanupcnt - 1] = w; |
4931 | cleanups [cleanupcnt - 1] = w; |
4583 | |
4932 | |
4584 | /* cleanup watchers should never keep a refcount on the loop */ |
4933 | /* cleanup watchers should never keep a refcount on the loop */ |
4585 | ev_unref (EV_A); |
4934 | ev_unref (EV_A); |
4586 | EV_FREQUENT_CHECK; |
4935 | EV_FREQUENT_CHECK; |
4587 | } |
4936 | } |
4588 | |
4937 | |
4589 | void |
4938 | void |
4590 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW |
4939 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4591 | { |
4940 | { |
4592 | clear_pending (EV_A_ (W)w); |
4941 | clear_pending (EV_A_ (W)w); |
4593 | if (expect_false (!ev_is_active (w))) |
4942 | if (expect_false (!ev_is_active (w))) |
4594 | return; |
4943 | return; |
4595 | |
4944 | |
… | |
… | |
4609 | } |
4958 | } |
4610 | #endif |
4959 | #endif |
4611 | |
4960 | |
4612 | #if EV_ASYNC_ENABLE |
4961 | #if EV_ASYNC_ENABLE |
4613 | void |
4962 | void |
4614 | ev_async_start (EV_P_ ev_async *w) EV_THROW |
4963 | ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT |
4615 | { |
4964 | { |
4616 | if (expect_false (ev_is_active (w))) |
4965 | if (expect_false (ev_is_active (w))) |
4617 | return; |
4966 | return; |
4618 | |
4967 | |
4619 | w->sent = 0; |
4968 | w->sent = 0; |
… | |
… | |
4621 | evpipe_init (EV_A); |
4970 | evpipe_init (EV_A); |
4622 | |
4971 | |
4623 | EV_FREQUENT_CHECK; |
4972 | EV_FREQUENT_CHECK; |
4624 | |
4973 | |
4625 | ev_start (EV_A_ (W)w, ++asynccnt); |
4974 | ev_start (EV_A_ (W)w, ++asynccnt); |
4626 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2); |
4975 | array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit); |
4627 | asyncs [asynccnt - 1] = w; |
4976 | asyncs [asynccnt - 1] = w; |
4628 | |
4977 | |
4629 | EV_FREQUENT_CHECK; |
4978 | EV_FREQUENT_CHECK; |
4630 | } |
4979 | } |
4631 | |
4980 | |
4632 | void |
4981 | void |
4633 | ev_async_stop (EV_P_ ev_async *w) EV_THROW |
4982 | ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT |
4634 | { |
4983 | { |
4635 | clear_pending (EV_A_ (W)w); |
4984 | clear_pending (EV_A_ (W)w); |
4636 | if (expect_false (!ev_is_active (w))) |
4985 | if (expect_false (!ev_is_active (w))) |
4637 | return; |
4986 | return; |
4638 | |
4987 | |
… | |
… | |
4649 | |
4998 | |
4650 | EV_FREQUENT_CHECK; |
4999 | EV_FREQUENT_CHECK; |
4651 | } |
5000 | } |
4652 | |
5001 | |
4653 | void |
5002 | void |
4654 | ev_async_send (EV_P_ ev_async *w) EV_THROW |
5003 | ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT |
4655 | { |
5004 | { |
4656 | w->sent = 1; |
5005 | w->sent = 1; |
4657 | evpipe_write (EV_A_ &async_pending); |
5006 | evpipe_write (EV_A_ &async_pending); |
4658 | } |
5007 | } |
4659 | #endif |
5008 | #endif |
… | |
… | |
4696 | |
5045 | |
4697 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
5046 | once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); |
4698 | } |
5047 | } |
4699 | |
5048 | |
4700 | void |
5049 | void |
4701 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW |
5050 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT |
4702 | { |
5051 | { |
4703 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
5052 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
4704 | |
|
|
4705 | if (expect_false (!once)) |
|
|
4706 | { |
|
|
4707 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg); |
|
|
4708 | return; |
|
|
4709 | } |
|
|
4710 | |
5053 | |
4711 | once->cb = cb; |
5054 | once->cb = cb; |
4712 | once->arg = arg; |
5055 | once->arg = arg; |
4713 | |
5056 | |
4714 | ev_init (&once->io, once_cb_io); |
5057 | ev_init (&once->io, once_cb_io); |
… | |
… | |
4727 | } |
5070 | } |
4728 | |
5071 | |
4729 | /*****************************************************************************/ |
5072 | /*****************************************************************************/ |
4730 | |
5073 | |
4731 | #if EV_WALK_ENABLE |
5074 | #if EV_WALK_ENABLE |
4732 | void ecb_cold |
5075 | ecb_cold |
|
|
5076 | void |
4733 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW |
5077 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT |
4734 | { |
5078 | { |
4735 | int i, j; |
5079 | int i, j; |
4736 | ev_watcher_list *wl, *wn; |
5080 | ev_watcher_list *wl, *wn; |
4737 | |
5081 | |
4738 | if (types & (EV_IO | EV_EMBED)) |
5082 | if (types & (EV_IO | EV_EMBED)) |